MEDIUM
7th CBSE
IMPORTANT
Earn 100

How is an electric fuse depicted in a circuit diagram?

Important Questions on Electric Current and Its Effects

MEDIUM
7th CBSE
IMPORTANT

Name any two devices which make electricity safe to use.

MEDIUM
7th CBSE
IMPORTANT

Electric current stops flowing in case there is a gap in the circuit. Why?

EASY
7th CBSE
IMPORTANT
What is the role of an electric switch in a circuit?
MEDIUM
7th CBSE
IMPORTANT
What is meant by short circuit current?
MEDIUM
7th CBSE
IMPORTANT
What is the difference between an open and a closed circuit?
MEDIUM
7th CBSE
IMPORTANT
Look at the figures given below and answer the following questions:
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Why do we use iron for making an electromagnet and not steel?
EASY
7th CBSE
IMPORTANT
What is the importance of electricity?