Home
Class 11
PHYSICS
The unit of e.m.f is...

The unit of e.m.f is

A

Joule

B

Joule-Coulomb

C

Volt-Coulomb

D

Joule/Coulomb

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise ET Self Evaluation Test|23 Videos

  • VECTORS

    ERRORLESS |Exercise Exercise|223 Videos

Similar Questions

Explore conceptually related problems

In a potentiometer experiment, the null point is obtained at 140 cm for a cell of e.m.f. 1.2 V. With another cell of unknown e.m.f., the null point is obtained at 210 cm. The unknown e.m.f. is

A voltmeter having a resistance of 998 ohms is connected to a cell of e.m.f. 2 volt and internal resistance 2 ohm. The error in the measurment of e.m.f. will be

An alternating e.m.f. is given by E=10 cos omega t . If the frequency is 50 Hz, then at time t=(1/600)s the instantaneous value of e.m.f. is

The induced e.m.f. is sometimes called back e.m.f. Why ?

The induced e.m.f in a circuit

Two cells of e.m.f. 10V & 15V are connected in parallel to each other between points A&B. The cell of e.m.f. 10V is ideal but the cell of e.m.f. 15V has internal resistance 1Omega . The equivalent e.m.f. between A and B is:

The direction of the induced e.m.f. is determined by

The temperature coefficient of e.m.f of a cell can be given by :

The best instrument for the accurate measurement of the e.m.f. of a cell is

For a coil of unit area, induction is doubled in 0.2s . Then, the induced e.m.f. is