Deck 16: Resistive-Capacitive Circuits

Question 1

Resistive-inductive circuits produce a ____________________ power factor.

Answer 1

lagging

Question 2

In a series R-C circuit, if X_C is 20 ohms, what is the value of C?

A) 165.8 m F
B) 132.6 m F
C) 13.2 m F
D) 16.5 m F

Answer 2

B

Question 3

A purely capacitive circuit causes

A) the current to lag applied voltage by 90°
B) the current to lead the applied voltage by 90°
C) the current to lead the applied voltage by 45°
D) the current to lag the applied voltage by 45°

Answer 3

B

Question 4

In any ____________________ circuit, the voltage is the same across all branches of the circuit.

Question 5

A combination of resistance and capacitive reactance in a series R-C circuit is

A) resistivity
B) reluctance
C) reactance
D) impedance

Question 6

In a series R-C circuit, the total voltage is determined by using ____ addition.

A) general
B) reactive
C) vector
D) linear

Question 7

The impedance in a parallel R-C circuit is ____________________ proportional to total current.

Question 8

The power ____________________ is the ratio of true power to apparent power.

Question 9

Resistive-capacitive circuits produce a ____ power factor.

A) leading
B) lagging
C) large
D) small

Question 10

The ____________________ power can be determined using values that apply to only resistive parts of the circuit.

Question 11

The ____________________ of angle theta is equal to the decimal equivalent of the power factor.

Question 12

Angle ____________________ indicates how many degrees out-of-phase the current is with the applied voltage.

Question 13

In any ____ circuit, the current is the same in all parts of the circuit.

A) parallel
B) reactive
C) series
D) AC

Question 14

The value of a circuit's VARs is determined by using the ____ values of voltage, current, and reactance.

A) resistive
B) reactive
C) apparent
D) linear

Question 15

The power factor is the ____ of true power as compared to the apparent power.

A) quotient
B) multiple
C) ratio
D) proportion

Question 16

In a resistive-capacitive circuit, ____________________ is the total current limiting effect.

Question 17

____ power can be determined if the values used in the formula apply to only resistive parts of the circuit.

A) True
B) Apparent
C) VAR
D) Resistive

Question 18

In any ____________________ circuit, +the current is the same in all parts of the circuit.

Question 19

____ power is generally referred to as the volt-amps.

A) Reactive
B) Apparent
C) True
D) VAR

Question 20

Resistive-capacitive circuits produce a ____________________ power factor.

Question 21

____________________ addition is used when determining total voltage in R-C cicuits because voltage and current are out of phase.

Question 22

The PF is the ____________________ of true power to apparent power.

Question 23

When working with a series R-C circuit, in the formula used to determine capacitance, capacitance is ____________________ proportional to capacitive reactance.

Question 24

In a series R-C circuit, ____________________ of a capacitor is equal to capacitive voltage multiplied by current.

Question 25

The ____________________ power is generally referred to as the VA.