How much heat does a 40 W bulb generates in one hour ?

Related Mcqs:

An immersion heater of 400 watts kept on for 5 hours will consume electrical power of __________________?

A. 2KWh B. 20KWh C. 6KWh D. 12KWh...

Resistance of an ideal insulator is __________________?

A. infinite B. zero C. finite D. depends upon nature...

Which one of the following bulbs has the least resistance ?

A. 100 watt B. 200 watt C. 300 watt D. 60 watt...

Resistance of a conductor depends upon_________________?

A. nature of conductor B. dimension of conductor C. physical state of the conductor D. all of above...

In liquids and gases the current is due to the motion________________?

A. negative charges B. positive charges C. both negative and positive charges D. neutral particles...