Inductors - General Questions (3)

Directions to Solve

Inductors - General Questions

17.

What is the phase angle of a 24 V_ac parallel RL circuit when R = 45 ohms and X_L = 1100 ohms?

A.	0.001 degrees
B.	2.300 degrees
C.	87.600 degrees
D.	89.900 degrees

Answer: Option B

Explanation:

No answer description available for this question

18.

A transformer will have:

A.	primary and secondary windings
B.	primary and secondary current
C.	primary wattage producing secondary current
D.	different frequencies for the primary and secondary

Answer: Option A

Explanation:

No answer description available for this question.

19.

Which transformer turns ratio is needed to match two 16-ohm parallel devices to an output of 22.2 ohms?

A.	1.38:1
B.	1.67:1
C.	0.72:1
D.	0.60:1

Answer: Option D

Explanation:

No answer description available for this question

20.

A loaded transformer will achieve mutual induction when:

A.	secondary current increase causes a primary current decrease
B.	primary current is increased by an increase in secondary current
C.	primary current is decreased by an increase in secondary current
D.	secondary current decrease causes a primary current increase

Answer: Option B

Explanation:

No answer description available for this question

21.

When used as a filter, an inductor is

A.	placed in series with the load and aids any current changes
B.	placed in parallel with the load and aids any current changes
C.	placed in parallel with the load and opposes any current changes
D.	placed in series with the load and opposes any current changes

Answer: Option D

Explanation:

No answer description available for this question

22.

The unit of flux density is:

A.	magnetomotive force
B.	a weber
C.	a maxwell
D.	a tesla

Answer: Option D

Explanation:

tesla or weber/m2 is the unit of flux density

23.

If the primary of a 4:1 turns transformer dissipates 5 W, what is the secondary power?

A.	5.0 W
B.	1.25 pW
C.	9.5 W
D.	20.0 mW

Answer: Option A

Explanation:

No answer description available for this question

24.

What is the name of the part inside a relay that is moved by the action of the electromagnet?

A.	armature
B.	conductor
C.	contacts
D.	solenoid

Answer: Option

Explanation:

No answer description available for this question.

Inductors - General Questions (3)

Inductors - General Questions

Questions & Answers

Interviews

Jobs

Results

Admission

Admit Card

Answer Key