Question

Name the device used to determine whether an object is a conductor or an insulator.

Name three electrical appliances which consume more electricity in your house.

What is a filament in the bulb?

Are all the metals being a good conductor of electricity? Justify

Discuss some non-renewable sources from which we can produce electricity.

What is the difference between an electric cell and a battery?

What should the electric wire be made of and why?

What is resistance?

write the answer in 5 min

Answer 1

Answer:

i. conduction tester

ii. Refrigerator, washing machine and led tv

Explanation:

iii. the word filament itself refers to the wire or thread inside the bulb which lights up when you turn it on.

iv. though all metals( and a few metal alloys) conduct electricity to an extent,there are some that are more conductive than others. the best conductor of electricity may surprise you!