Basic Electrical Engineering Mock Test 8

10%

Question 1 of 10

1. The number of cycles that occur in one second is termed as ___________

Frequency

Waveform

Period

Amplitude

Question 1 of 10

Question 2 of 10

2. What is the coupling coefficient when there is ideal coupling?

100

Insufficient information provided

Question 2 of 10

Question 3 of 10

3. emf is zero if the angle between velocity and length is _____

0⁰

90⁰

45⁰

270⁰

Question 3 of 10

Question 4 of 10

4. Calculate the equivalent inductance between A and B.

44H

30H

54H

60H

Question 4 of 10

Question 5 of 10

5. The types of inductors are ____________

Only fixed

Fixed and variable

Neither fixed nor variable

Only variable

Question 5 of 10

Question 6 of 10

6. If the current in one coil is steady, what happens to the mutual inductance?

Doubles

Zero

Infinity

Halves

Question 6 of 10

Question 7 of 10

7. For a direct current, the rms current is ________ the mean current.

Equal to

Not related to

Less than

Greater than

Question 7 of 10

Question 8 of 10

8. Average value of current over a half cycle is?

6.7Im

0.67Im

0.33Im

3.3Im

Question 8 of 10

Question 9 of 10

9. What is the type of current obtained by finding the square of the currents and then finding their average and then fining the square root?

Total current

RMS current

Instantaneous current

Average current

Question 9 of 10

Question 10 of 10

10. Calculate the emf induced in an inductor if the inductance is 10H and the current is 2A in 4s.

3.5V

2.5V

1.5V

Question 10 of 10