Q2 of 47 Page 406

In which wire in an AC housing circuit, is the switch introduced to operate the light?

In order to prevent us from getting electric shock we have to connect all wires to the earth wires, and lights operate in live wire. Also we have to connect neutral wire to complete the circuit.


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5

What is overloading of an electric circuit?

 1

What name is given to the device which automatically cut-off the electrical supply during short circuiting in household wiring?

 3

The diagram shows a coil of wire wound on a soft iron core forming an electromagnet. A current is passed through the coil in the direction indicated by the arrows. Mark the N and S-poles produced in the iron core.

 4

Why is an alternating current considered to be advantageous over direct current for long range transmission of electric energy.