why should an electrician use rubber gloves while repairing an electric switch at your home? explain.
Why are electric wires made of copper or aluminium and not of silver even though it is a good conductor of electricity
One shoud not touch electric appliances with wet hands. Why?
Give the construction and working of a simple dry cell?
Why are solar cell panels used in artificial satellites/space stations?
what are importance of insulators
what is the difference between cell and the battery?
Define Electricity.
What is the name of chemicals stored inside an electric cell
What is the structure of a CFL?
Give the construction and working of an electic torch?
is sugar an insulator or an conducter????
What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.
why should an electrician use rubber gloves while repairing an electric switch at your home? explain.
Why are electric wires made of copper or aluminium and not of silver even though it is a good conductor of electricity
One shoud not touch electric appliances with wet hands. Why?
Give the construction and working of a simple dry cell?
Why are solar cell panels used in artificial satellites/space stations?
what are importance of insulators
what is the difference between cell and the battery?
Define Electricity.
What is the name of chemicals stored inside an electric cell
What is the structure of a CFL?
Give the construction and working of an electic torch?
is sugar an insulator or an conducter????
What is the purpose of using an electric switch? Name some electrical gadgets that have switches built into them.