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Magnetic Effects Of Current - 1


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Magnetic Effects Of Current - 1 for Class 10 2022 is part of Online MCQ Tests for Class 10 preparation. The Magnetic Effects Of Current - 1 questions and answers have been prepared according to the Class 10 exam syllabus.The Magnetic Effects Of Current - 1 MCQs are made for Class 10 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Magnetic Effects Of Current - 1 below.
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Magnetic Effects Of Current - 1 - Question 1

An electric motor converts

Detailed Solution for Magnetic Effects Of Current - 1 - Question 1

An electric motor converts electrical energy into mechanical energy.

Magnetic Effects Of Current - 1 - Question 2

Overloading is due to

Detailed Solution for Magnetic Effects Of Current - 1 - Question 2

Overloading occurs when there is any fault in the appliances or the insulation of wire got damaged. It also occurs when there is sudden hike in supply voltage.

Magnetic Effects Of Current - 1 - Question 3

In Fleming’s left-hand rule the thumb indicates the direction of

Detailed Solution for Magnetic Effects Of Current - 1 - Question 3

In Fleming’s left-hand rule the thumb indicates the direction of mechanical force acting on the conductor. The forefinger points in the direction of magnetic field and the central finger in the direction of current flowing in the conductor.

Magnetic Effects Of Current - 1 - Question 4

Which among of these are the main characteristics of fuse element?

Detailed Solution for Magnetic Effects Of Current - 1 - Question 4

Fuse wire must have high conductivity, low melting point and it do not burn due to oxidation. These characteristics of a fuse wire make it possible to prevent from damages.

Magnetic Effects Of Current - 1 - Question 5

The phenomenon of electromagnetic induction is

Detailed Solution for Magnetic Effects Of Current - 1 - Question 5

Electromagnetic induction is the phenomenon due to which an induced current is set up in a coil when magnetic field around it, is changed.

Magnetic Effects Of Current - 1 - Question 6

The main advantage of A.C power transmission over D.C power transmission over long distance is

Detailed Solution for Magnetic Effects Of Current - 1 - Question 6

AC transmit over a long distance without much loss of energy as compare to DC.

Magnetic Effects Of Current - 1 - Question 7

The device used to produce an electric current in a circuit is called

Detailed Solution for Magnetic Effects Of Current - 1 - Question 7

An electric generator is used to produce an electric current in a circuit.

Magnetic Effects Of Current - 1 - Question 8

Earth wire carries

Detailed Solution for Magnetic Effects Of Current - 1 - Question 8

A "groundingwire on the other hand is a safety wire that has intentionally been connected to earth. The grounding wire does not carry electricity under normal circuit operations. It's purpose is to carry electrical current only under short circuit or other conditions that would be potentially dangerous.

Magnetic Effects Of Current - 1 - Question 9

The direction of induced current produced in a rectangular coil, when it is rotated in a uniform magnetic field, is given by

Detailed Solution for Magnetic Effects Of Current - 1 - Question 9

Fleming’s right-hand rule gives the direction of induced current in a rectangular coil when the coil is rotated in a uniform magnetic field.

Magnetic Effects Of Current - 1 - Question 10

If the current values periodically from zero to a maximum value, back to zero and then reverses its direction, the current is

Detailed Solution for Magnetic Effects Of Current - 1 - Question 10

The alternating current reverse its direction periodically.

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