Question

3. What is an electric current?
4. Make a list of five devices that use electric current.
5. Why does warm air rise?​

Answer 1

Answer:

3- electric current is represented by 'I'. It is the rate of charge flows through a cross-section of wire. its formula is I=q/t. where q represents charge its si unit is coulomb and t stands for time. si unit of time is second. Si unit of current is ampere. it is represented by A. 1A=1C/sec.

4. fan, phone, computer, tv, washing machine.

5. I dont know about this.

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