Inductors Online Exam Quiz

Important questions about Inductors. Inductors MCQ questions with answers. Inductors exam questions and answers for students and interviews.

1. When the current through an inductor decreases, the amount of energy stored in the electromagnetic field

Options

A : increases

B : decreases

C : remains the same

D : doubles

Options

A : 0 V

B : 6 V

C : 12 V

D : 4 V

Options

A : V R ? V L

B : V L < V R

C : V L = V R

D : V L > V R

4. A 240 µH inductor is equivalent to a

Options

A : 0.240 mH inductor

B : 0.000240 mH inductor

C : 240 mH inductor

D : 240 H inductor

Options

A : 8 H

B : 32 ?H

C : 64 ?H

D : 248 ?H

6. The winding resistance of a coil can be increased by

Options

A : increasing the number of turns

B : using a thinner wire

C : changing the core material

D : increasing the number of turns or using thinner wire

7. When the current through an inductor is cut in half, the amount of energy stored in the electromagnetic field

Options

A : is quartered

C : doubles

D : does not change

Options

A : 43 µH

B : 430 µH

C : 0.05 H

D : 0.00043 H

9. A 2 mH, a 3.3 mH, and a 0.2 mH inductor are connected in series. The total inductance is

Options

A : 55 mH

B : less than 0.2 mH

C : less than 5.5 mH

D : 5.5 mH

Options

A : 16 mV

B : 160 mV

C : 1.6 mV

D : 2.5 mV

Options

A : 1.8 mV

B : 18 mV

C : 180 mV

D : 1.25 mV

2. An inductance of 0.08 µH is larger than

Options

A : 0.0000008 H

B : 0.000000008 H

C : 0.000008 H

D : 0.00008 mH

3. An ohmmeter is connected across an inductor and the pointer indicates zero ohms. The inductor is

Options

A : good

B : open

C : shorted

D : partly shorted

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :

Options

A : True

B : False

C :

D :