Home
Class 12
PHYSICS
Which quantity expresses the work done b...

Which quantity expresses the work done by an electrical machine ?

A

VI

B

Vit

C

`I^(2)R`

D

`(I^(2)Rt)/(J)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise EXERCISE (Very Short Answer Type Questions )|18 Videos

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions - I)|6 Videos

  • ELECTRIC ENERGY AND POWER

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL (HOTS)QUESTIONS|17 Videos

  • DIGITAL CIRCUITS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|6 Videos

  • ELECTRIC FIELD

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|31 Videos

Similar Questions

Explore conceptually related problems

The volume of a gas is doubled (i) very rapidly, and (ii) very slowly. In which one of the processes the work done by the gas is higher?

Find an expression for the potential energy in a stretched wire. (Similar question : Find out an expression for the work done by a force in stretching a length of a wire with respect to strain produced in the wire.

Find out the expressions of work done in an isochoric process.

State the working principle of an electric screen

Which physical quantity is expressed by the ratio of the amplitudes of electric and magnetic fields for an electro magnetic wave.

Find out the expression for the work done by a gas in adiabatic expansion .

Work done becomes zero

Obtain an expression for work done by a gas in an isothermal expansion.