Question

Very Short Answer Type Questions


1. What is the symbol of a battery ? Write about it.

ans

2. What is an electric circuit?

ans

3. What do you mean by (i) an open circuit. (ii) a closed circuit?

ans

4 Name few appliances that work on heating effect of electricity.

ans

5. Write full form of CFL and MCB..

ans

Short Answer Type Questions

1. What are electric fuses? What is their importance ?

ans

Class 7​

Answer 1

Answer:

An electrical network is an interconnection of electrical components or a model of such an interconnection, consisting of electrical elements. An electrical circuit is a network consisting of a closed loop, giving a return path for the current.