The total inductive reactance of a parallel inductor circuit is:

In a parallel RLC circuit, the smaller reactance determines the net reactance of the circuit.

A

True

B

False

At series resonance, the inductive reactance and capacitive reactance are never equal.

A

True

B

False

An inductor and a resistor are in series with a sine wave voltage source. The frequency is set so that the inductive reactance is equal to the resistance. If the frequency is increased, then

A

VR = VL

B

VL

C

VL = VR

D

VL > VR

In a series RLC circuit, the larger reactance determines the net reactance of the circuit.

A

True

B

False

In an RL circuit, the impedance is determined by both the resistance and the inductive reactance combined.

A

True

B

False

The total capacitive reactance of a parallel capacitor circuit is:

A

equal to the sum of the individual capacitive-reactance values

B

equal to the sum of the individual capacitance values

C

equal to the source voltage divided by total current

D

less than the capacitance value of the smallest capacitor

E

None of the above

Inductive reactance is measured in units of:

A

volts per second

B

amperes per second

C

Ohm

D

henrys

E

None of the above

Which one of the following statements most accurately describes the nature of inductive reactance?

A

Inductive reactance is an opposition to current flow in dc circuits

B

Inductive reactance is an opposition to current flow in ac circuits

C

Inductive reactance is another term for counter emf

D

Inductive reactance is a force that tends to overcome the effects of counter emf

E

None of the above

A capacitor-start single phase induction motor is switched on to supply with its capa-citor replaced by an inductor of equivalent reactance value. It will

A

start and then stop

B

start and run slowly

C

start and run at rated speed

D

not start at all

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

A

Good

B

Open

C

Shorted

D

Partly shorted

The total inductive reactance of a parallel inductor circuit is:

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