Home
Class 12
PHYSICS
Assertion : Electromotive force is a for...

Assertion : Electromotive force is a force which helps the electrons to flow and produce current.
Reason : Electromotive force is independent of the voltage across the cell.

A

If both assertion and reason are true and reason is the correct explantion of assertion.

B

If both assertion and reason are true and reason is not the correct explantion of assertion.

C

If assertion is false but reason is true.

D

If assertion is true but reason is false.

Text Solution

Verified by Experts

The correct Answer is:
D
Electromotive force is not a force, it is the voltage difference between the two terminals of a source in open circuit.
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NCERT FINGERTIPS ENGLISH|Exercise Ohm'S Law|7 Videos

  • CURRENT ELECTRICITY

    NCERT FINGERTIPS ENGLISH|Exercise Drift Of Electrons And The Origin Of Resistivity|2 Videos

  • CURRENT ELECTRICITY

    NCERT FINGERTIPS ENGLISH|Exercise EXEMPLAR PROBLEMS|6 Videos

  • COMMUNITCATION SYSTEMS

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|30 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Unit of electromotive force is

Electromotive force of a cell is basically a

Assertion : Nuclear forces arise from strong coulombic interactions between protons and neutrons Reason : Nuclear forces are independent of charge of the nucleons

Dimensional formula for electromotive force is same as that for

Electromotive force and Electric potential differ in the dimensions of

The force between two parallel current carrying wires is independent of

Assertion : Magnetic force is always perpendicualr to the magnetic field. Reason : Electric force is along the direction of electric field.

Assertion :- Work done is positive when force acts in the direction of displacement. Reason :- Work done by frictional force can not be positive.

Assetrion: If a proton and electron are placed in the same uniform electric field. They experience different acceleration Reason: Electric force on a test charge is independent of its mass