Class 7 Exam > Class 7 Questions > A fuse is fixed in a circuit in order toa)dec...
Start Learning for Free
A fuse is fixed in a circuit in order to
- a)decrease the amount of current
- b)increase the amount of current
- c)increase the power consumed in the circuit
- d)safeguard against excessive current.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A fuse is fixed in a circuit in order toa)decrease the amount of curre...
It acts as safeguard against excessive current. When the current exceeds certain limit the fuse wire gets broken and so it acts as a safeguard.
This question is part of UPSC exam. View all Class 7 courses
Most Upvoted Answer
A fuse is fixed in a circuit in order toa)decrease the amount of curre...
Explanation:
Introduction:
A fuse is an essential component of an electrical circuit that is designed to protect the circuit from excessive current flow. It is a safety device that, when properly installed, can prevent damage to the circuit and potential hazards such as electrical fires or equipment failure.
Function of a Fuse:
A fuse is fixed in a circuit to safeguard against excessive current. When the current passing through a circuit exceeds a certain limit, the fuse is designed to break or "blow" in order to interrupt the flow of electricity. This action protects the circuit and prevents further damage or potential hazards.
Working Principle:
When the current passing through a circuit exceeds the rated value of the fuse, the fuse wire inside the fuse heats up due to the resistance it offers to the flow of current. This excessive heat causes the fuse wire to melt and break the circuit. As a result, the flow of electricity is interrupted, preventing any further damage to the circuit.
Protection against Excessive Current:
The main purpose of a fuse is to provide protection against excessive current. When the current in a circuit exceeds the rated value of the fuse, it indicates a fault or abnormal condition in the circuit. By breaking the circuit, the fuse prevents the excessive current from causing damage to the circuit components or posing a risk to safety.
Advantages of Using a Fuse:
- Safety: Fuses are designed to protect against excessive current, preventing electrical hazards and potential fires.
- Cost-effective: Fuses are relatively inexpensive compared to other protective devices.
- Easy Replacement: When a fuse blows, it can be easily replaced, restoring the circuit's functionality.
- Quick Response: Fuses have a fast response time, interrupting the circuit as soon as excessive current is detected.
Conclusion:
In conclusion, a fuse is fixed in a circuit to safeguard against excessive current. It acts as a protective device by interrupting the flow of electricity when the current exceeds its rated value, thereby preventing damage to the circuit and ensuring safety.
Introduction:
A fuse is an essential component of an electrical circuit that is designed to protect the circuit from excessive current flow. It is a safety device that, when properly installed, can prevent damage to the circuit and potential hazards such as electrical fires or equipment failure.
Function of a Fuse:
A fuse is fixed in a circuit to safeguard against excessive current. When the current passing through a circuit exceeds a certain limit, the fuse is designed to break or "blow" in order to interrupt the flow of electricity. This action protects the circuit and prevents further damage or potential hazards.
Working Principle:
When the current passing through a circuit exceeds the rated value of the fuse, the fuse wire inside the fuse heats up due to the resistance it offers to the flow of current. This excessive heat causes the fuse wire to melt and break the circuit. As a result, the flow of electricity is interrupted, preventing any further damage to the circuit.
Protection against Excessive Current:
The main purpose of a fuse is to provide protection against excessive current. When the current in a circuit exceeds the rated value of the fuse, it indicates a fault or abnormal condition in the circuit. By breaking the circuit, the fuse prevents the excessive current from causing damage to the circuit components or posing a risk to safety.
Advantages of Using a Fuse:
- Safety: Fuses are designed to protect against excessive current, preventing electrical hazards and potential fires.
- Cost-effective: Fuses are relatively inexpensive compared to other protective devices.
- Easy Replacement: When a fuse blows, it can be easily replaced, restoring the circuit's functionality.
- Quick Response: Fuses have a fast response time, interrupting the circuit as soon as excessive current is detected.
Conclusion:
In conclusion, a fuse is fixed in a circuit to safeguard against excessive current. It acts as a protective device by interrupting the flow of electricity when the current exceeds its rated value, thereby preventing damage to the circuit and ensuring safety.
Community Answer
A fuse is fixed in a circuit in order toa)decrease the amount of curre...
D) safeguard against excessive cutrent
Attention Class 7 Students!
To make sure you are not studying endlessly, EduRev has designed Class 7 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 7.
|
|
Explore Courses for Class 7 exam
|
|
Similar Class 7 Doubts
Top Courses for Class 7View all
A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer?
Question Description
A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer?.
A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer? for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer?.
Solutions for A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 7.
Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free.
Here you can find the meaning of A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer?, a detailed solution for A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice A fuse is fixed in a circuit in order toa)decrease the amount of currentb)increase the amount of currentc)increase the power consumed in the circuitd)safeguard against excessive current.Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice Class 7 tests.
|
|
Explore Courses for Class 7 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup