Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other?

Explore Courses UPSC Exam UPSC Test Series Free Notes EduRev Infinity

Open App

Class 12 Exam > Class 12 Questions > Two bar magnet if length 0.1m and pole streng...

Join the Discussion on the App

Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other?

Join for Free

Join for Free

Most Upvoted Answer

Two bar magnet if length 0.1m and pole strength 75Am each one placed o...

Community Answer

Two bar magnet if length 0.1m and pole strength 75Am each one placed o...

Problem Statement: Two bar magnets of length 0.1m and pole strength 75Am each are placed on the same line at a distance of 0.2m between their centers. Find the resultant force on one magnet due to the other when the north pole of one faces the south pole of the other and when the north pole of one faces the north pole of the other.

Solution:

Given Data:

Length of each magnet, L = 0.1m

Pole strength of each magnet, m = 75 Am

Distance between their centers, r = 0.2m

Resultant force between two bar magnets:

The force between two bar magnets is given by the formula:

F = (m₁m₂)/r²

Where, m₁ and m₂ are the pole strengths of the two magnets, and r is the distance between their centers.

Case 1: When north pole of one magnet faces the south pole of the other:

In this case, the force between the two magnets is attractive, and the magnets will move towards each other. The pole strength of the north pole is taken as positive and that of the south pole is taken as negative.

The force between two magnets is given by:

F = (m₁m₂)/r²

F = [(75)(-75)]/(0.2)²

F = -2812.5 N

The negative sign indicates that the force is attractive.

Case 2: When north pole of one magnet faces the north pole of the other:

In this case, the force between the two magnets is repulsive, and the magnets will move away from each other.

The force between two magnets is given by:

F = (m₁m₂)/r²

F = (75)(75)/(0.2)²

F = 2812.5 N

The positive sign indicates that the force is repulsive.

Conclusion:

Thus, the resultant force on one magnet due to the other when the north pole of one faces the south pole of the other is -2812.5 N (attractive), and when the north pole of one faces the north pole of the other is 2812.5 N (repulsive).

Share via Whatsapp

View all answers Start learning for free

Explore Courses for Class 12 exam

Similar Class 12 Doubts

Read the following text and answer the following questions on the basis of the same:Super magnetThe term super magnet is a broad term and encompasses several families of rare-earth magnets that include seventeen elements in the periodic table; namely scandium, yttrium, and the fifteen lanthanides. These elements can be magnetized, but have Curie temperatures below room temperature. This means that in their pure form, their magnetism only appears at low temperatures. However, when they form compounds with transition metals such as iron, nickel, cobalt, etc. Curie temperature rises well above room temperature and they can be used effectively at higher temperatures as well. The main advantage they have over conventional magnets is that their greater strength allows for smaller, lighter magnets to be used. Super magnets are of two categories: (i) N eodymium magnet: These are made from an alloy of neodymium, iron, and boron. This material is currently the strongest known type of permanent magnet. It is typically used in the construction of head actuators in computer hard drives and has many electronic applications, such as electric motors, appliances, and magnetic resonance imaging (MRI). (ii) Samarium-cobalt magnet: These are made from an alloy of samarium and cobalt. This second strongest type of rare Earth magnet is also used in electronic motors, turbo-machinery, and because of its high temperature range tolerance may also have many applications for space travel, such as cryogenics and heat resistant machinery. Rare-earth magnets are extremely brittle and also vulnerable to corrosion, so they are usually plated or coated to protect them from breaking, chipping, or crumbling into powder. Since super magnets are about 10 times stronger than ordinary magnets, safe distance should be maintained otherwise these may damage mechanical watch, CRT monitor, pacemaker, credit cards, magnetically stored media etc.These types of magnets are hazardous for health also. The greater force exerted by rare-earth magnets creates hazards that are not seen with other types of magnet. Magnets larger than a few centimeters are strong enough to cause injuries to body parts pinched between two magnets or a magnet and a metal surface, even causing broken bones. Neodymium permanent magnets lose their magnetism 5% every 100 years. So, in the truest sense Neodymium magnets may be considered as a permanent magnet.Curie point of pure rare Earth elements is

View answer

Read the following text and answer the following questions on the basis of the same: Super magnet The term super magnet is a broad term and encompasses several families of rare-earth magnets that include seventeen elements in the periodic table; namely scandium, yttrium, and the fifteen lanthanides. These elements can be magnetized, but have Curie temperatures below room temperature. This means that in their pure form, their magnetism only appears at low temperatures. However, when they form compounds with transition metals such as iron, nickel, cobalt, etc. Curie temperature rises well above room temperature and they can be used effectively at higher temperatures as well. The main advantage they have over conventional magnets is that their greater strength allows for smaller, lighter magnets to be used. Super magnets are of two categories: (i) Neodymium magnet: These are made from an alloy of neodymium, iron, and boron. This material is currently the strongest known type of permanent magnet. It is typically used in the construction of head actuators in computer hard drives and has many electronic applications, such as electric motors, appliances, and magnetic resonance imaging (MRI). (ii) Samarium-cobalt magnet: These are made from an alloy of samarium and cobalt. This second strongest type of rare Earth magnet is also used in electronic motors, turbo-machinery, and because of its high temperature range tolerance may also have many applications for space travel, such as cryogenics and heat resistant machinery. Rare-earth magnets are extremely brittle and also vulnerable to corrosion, so they are usually plated or coated to protect them from breaking, chipping, or crumbling into powder. Since super magnets are about 10 times stronger than ordinary magnets, safe distance should be maintained otherwise these may damage mechanical watch, CRT monitor, pacemaker, credit cards, magnetically stored media etc. These types of magnets are hazardous for health also. The greater force exerted by rare-earth magnets creates hazards that are not seen with other types of magnet. Magnets larger than a few centimeters are strong enough to cause injuries to body parts pinched between two magnets or a magnet and a metal surface, even causing broken bones. Neodymium permanent magnets lose their magnetism 5% every 100 years. So, in the truest sense Neodymium magnets may be considered as a permanent magnet.Neodymium permanent magnets lose their magnetism ____ % every 100 years.

View answer

A short bar magnet of magnetic moment5.25×10−2JT−1is placed with its axis perpendicular to the earth’s field direction. At what distance from the centre of the magnet, the resultant field is inclined at45with earth’s field on its normal bisector . Magnitude of the earth’s field at the place is given to be 0.42 G. Ignore the length of the magnet in comparison to the distances involved.

View answer

Read the following text and answer the following questions on the basis of the same:Super magnet The term super magnet is a broad term and encompasses several families of rare-earth magnets that include seventeen elements in the periodic table; namely scandium, yttrium, and the fifteen lanthanides. These elements can be magnetized, but have Curie temperatures below room temperature. This means that in their pure form, their magnetism only appears at low temperatures. However, when they form compounds with transition metals such as iron, nickel, cobalt, etc. Curie temperature rises well above room temperature and they can be used effectively at higher temperatures as well. The main advantage they have over conventional magnets is that their greater strength allows for smaller, lighter magnets to be used. Super magnets are of two categories: (i) Neodymium magnet: These are made from an alloy of neodymium, iron, and boron. This material is currently the strongest known type of permanent magnet. It is typically used in the construction of head actuators in computer hard drives and has many electronic applications, such as electric motors, appliances, and magnetic resonance imaging (MRI). (ii) Samarium-cobalt magnet: These are made from an alloy of samarium and cobalt. This second strongest type of rare Earth magnet is also used in electronic motors, turbo-machinery, and because of its high temperature range tolerance may also have many applications for space travel, such as cryogenics and heat resistant machinery. Rare-earth magnets are extremely brittle and also vulnerable to corrosion, so they are usually plated or coated to protect them from breaking, chipping, or crumbling into powder. Since super magnets are about 10 times stronger than ordinary magnets, safe distance should be maintained otherwise these may damage mechanical watch, CRT monitor, pacemaker, credit cards, magnetically stored media etc. These types of magnets are hazardous for health also. The greater force exerted by rare-earth magnets creates hazards that are not seen with other types of magnet. Magnets larger than a few centimeters are strong enough to cause injuries to body parts pinched between two magnets or a magnet and a metal surface, even causing broken bones. Neodymium permanent magnets lose their magnetism 5% every 100 years. So, in the truest sense Neodymium magnets may be considered as a permanent magnet.Super magnets are about _____ time stronger than ordinary magnets.

View answer

Read the following text and answer the following questions on the basis of the same:Super magnet The term super magnet is a broad term and encompasses several families of rare-earth magnets that include seventeen elements in the periodic table; namely scandium, yttrium, and the fifteen lanthanides. These elements can be magnetized, but have Curie temperatures below room temperature. This means that in their pure form, their magnetism only appears at low temperatures. However, when they form compounds with transition metals such as iron, nickel, cobalt, etc. Curie temperature rises well above room temperature and they can be used effectively at higher temperatures as well. The main advantage they have over conventional magnets is that their greater strength allows for smaller, lighter magnets to be used. Super magnets are of two categories:(i) Neodymium magnet: These are made from an alloy of neodymium, iron, and boron. This material is currently the strongest known type of permanent magnet. It is typically used in the construction of head actuators in computer hard drives and has many electronic applications, such as electric motors, appliances, and magnetic resonance imaging (MRI).(ii) Samarium-cobalt magnet: These are made from an alloy of samarium and cobalt. This second strongest type of rare Earth magnet is also used in electronic motors, turbo-machinery, and because of its high temperature range tolerance may also have many applications for space travel, such as cryogenics and heat resistant machinery. Rare-earth magnets are extremely brittle and also vulnerable to corrosion, so they are usually plated or coated to protect them from breaking, chipping, or crumbling into powder. Since super magnets are about 10 times stronger than ordinary magnets, safe distance should be maintained otherwise these may damage mechanical watch, CRT monitor, pacemaker, credit cards, magnetically stored media etc. These types of magnets are hazardous for health also. The greater force exerted by rare-earth magnets creates hazards that are not seen with other types of magnet. Magnets larger than a few centimeters are strong enough to cause injuries to body parts pinched between two magnets or a magnet and a metal surface, even causing broken bones. Neodymium permanent magnets lose their magnetism 5% every 100 years. So, in the truest sense Neodymium magnets may be considered as a permanent magnet.Neodymium and Samarium are

View answer

Share with a Friend

Answer this doubt

Question Description
Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other?.

Solutions for Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other? in English & in Hindi are available as part of our courses for Class 12. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free.

Here you can find the meaning of Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other? defined & explained in the simplest way possible. Besides giving the explanation of Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other?, a detailed solution for Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other? has been provided alongside types of Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other? theory, EduRev gives you an ample number of questions to practice Two bar magnet if length 0.1m and pole strength 75Am each one placed on the same line .The distance between their center is 0.2m.What is the resultant force to one on the other. 1)when north pole of one faces the south pole of other 2)when north pole of one faces the north pole of other? tests, examples and also practice Class 12 tests.

Explore Courses for Class 12 exam