Chapter 13: Magnetic Effects of Electric Current- Exercise- 8


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Chapter 13: Magnetic Effects of Electric Current

Class: X

Exercise 8

 

Question 1

Name two safety measures commonly used in electric circuits and appliances.

Answer 1

 

Two safety measures are:

 

  1. Use of earth wire and proper earthing.
  2. Use of fuse also known as or replaced by MCB now a day.

 

Question 2

An electric oven of 2 kW power rating is operated in a domestic electric circuit (220 V) that has a current rating of 5 A. What result do you expect? Explain.

 

Answer 2

Science Class 10 Chapter 13 NCERT

Question 3

What precaution should be taken to avoid the overloading of domestic electric circuits?

Answer 3

Precautionary measures taken to avoid the overloading of domestic circuits are:

Faulty appliances should not be connected in the circuit.

  1. Too many appliances should not be connected to a single socket.
  2. Fuse should be connected in the circuit.
  3. Too many appliances should not be used at the same time.

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