Inductors - General Questions (4)

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Inductors - General Questions

25.

A change of one ampere per second in an inductor that induces a voltage of one volt is considered as which unit value?

A.	a lenz
B.	an ohm
C.	a farad
D.	a henry

Answer: Option D

Explanation:

No answer description available for this question

26.

A value of "ten to the eighth power magnetic lines of force" is for the term:

A.	field
B.	flux
C.	coulomb
D.	weber

Answer: Option D

Explanation:

No answer description available for this question.

27.

As a generator armature passes the 270 degree point, the induced voltage is:

A.	at maximum negative
B.	between maximum negative and zero
C.	at maximum positive
D.	between zero and maximum positive

Answer: Option A

Explanation:

No answer description available for this question

28.

Indication of transformer primary and secondary voltage relationships is accomplished by:

A.	color-coded wires
B.	dot notation
C.	black, rather than gray, casings
D.	winding ratios

Answer: Option B

Explanation:

No answer description available for this question

29.

You could decrease the time constant of an RL circuit by

A.	adding a resistor in parallel with the circuit resistance
B.	adding an inductor in series with the circuit inductance
C.	decreasing the amplitude of the input voltage
D.	exchanging the position of the resistor and inductor in the circuit

Answer: Option B

Explanation:

No answer description available for this question

30.

When an electromagnet reaches maximum strength, it is considered to be:

A.	in field condition
B.	at saturation
C.	inhibited
D.	at field strength

Answer: Option B

Explanation:

No answer description available for this question.

31.

What is remanence?

A.	reactance
B.	reluctance
C.	retentitivity
D.	resistance

Answer: Option C

Explanation:

No answer description available for this question.

32.

What is the impedance of a 1 kHz series RL circuit when R and X_L are both 1000 ohms?

A.	500 ohms
B.	1000 ohms
C.	1414 ohms
D.	2000 ohms

Answer: Option C

Explanation:

No answer description available for this question.

Inductors - General Questions (4)

Inductors - General Questions

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