Electricity Quiz 1

Which of the following is correct for Ohm’s law?

The resistivity of the insulators is order of:

The resistance of the conductor does not depend upon:

One kilowatt hour is equal to:

How much work is done in moving a charge of 5 C across two points having a potential difference 10 V?

If the resistance of the conductor $R_1\;and\;R_2$ are connected in series, then total resistance (R) will be.

Which of the following is known as Joule’s law of heating?

An electric bulb is connected to a 100 V generator. The current is 2 A. What is the power of the bulb?

If the resistance of the conductor $R_1\;and\;R_2$ are connected in Parallel, then total resistance (R) will be.

Which of the following term does not represent electrical power in a circuit?

If the Potential difference constant and resistance of the circuit is halved. Then current will be.

When a current I flow through a resistance R time t the electrical energy spent is given by

If the current flowing through a fixed resistor is halved, the heat produced in it will become.

Which of the following symbols used for open switch?

Which of the following symbols used for rheostat?