Electromagnetic Induction Multiple Choice Questions

Electromagnetic Induction

Question 1.

The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as

A.

 Self-inductance

B.

 Mutual inductance

C.

 Series aiding inductance

D.

 Capacitance

Explanation :

Explanation Not Provided

Question 2.

Which circuit element(s) will oppose the change in circuit current?

A.

 Resistance only

B.

 Inductance only

C.

 Capacitance only

D.

 Inductance and capacitance

Explanation :

Explanation Not Provided

Question 3.

Which of the following circuit elements will oppose the change in circuit current?

A.

 Capacitance

B.

 Inductance

C.

 Resistance

D.

 All of the above

Explanation :

Explanation Not Provided

Question 4.

In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be

A.

 2.0

B.

 1.0

C.

 0.5

D.

 Zero

Explanation :

Explanation Not Provided

Question 5.

Two 300 uH coils in series without mutual coupling have a total inductance of

A.

 300 uH

B.

 600 uH

C.

 150 uH

D.

 75 uH

Explanation :

Explanation Not Provided

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