EMF Interview Questions

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Total Questions: 5

1. According to Faraday’s laws of electromagnetic inductance, an emf is induced in a conductor whenever?

A. The conductor is perpendicular to the magnetic field

B. Lies in the magnetic field

C. Cuts magnetic lines of flux

D. Moves parallel to the magnetic field

Correct Answer is : Cuts magnetic lines of flux

2. Direction of induced emf is determined by __________

A. Fleming’s left hand rule

B. Fleming’s right hand rule

C. Faraday’s law

D. Right hand thumb rule

Correct Answer is : Fleming’s right hand rule

3. “The direction of an induced e.m.f. is always such that it tends to set up a current opposing the motion or the change of flux responsible for inducing that e.m.f.”, this is the statement for?

A. Fleming’s left hand rule

B. Fleming’s right hand rule

C. Faraday’s law

D. Lenz’s law

Correct Answer is : Lenz’s law

4. According to Fleming’s right hand rule, the thumb points towards?

A. Current

B. E.M.F.

C. Motion of the conductor

D. Magnetic flux

Correct Answer is : Motion of the conductor

5. According to Fleming’s right hand rule, the index finger points towards?

A. Current

B. E.M.F.

C. Motion of the conductor

D. Magnetic flux

Correct Answer is : Magnetic flux

EMF interview questions