**1 >>With a 500 kHz signal source, what would be the value of a capacitor yielding a capacitive reactance of 1 k Ω? ?**

- (A) 318 pF
- (B) 2 nF
- (C) 3.18 μ F
- (D) 2 F

**2 >>As a capacitor is being charged, the voltage across its terminals will: ?**

- (A) increase
- (B) decrease
- (C) remain the same
- (D) oppose the source

**3 >>A capacitor stores energy within a dielectric between the conducting plates in the form of: ?**

- (A) a magnetic field
- (B) positive voltage
- (C) negative voltage
- (D) an electric field

**4 >>If an open capacitor is checked with an ohmmeter, the needle will ?**

- (A) stay on zero
- (B) stay on infinity
- (C) move from zero to infinity
- (D) move from infinity to zero

**5 >>As a capacitor is being charged, current flowing into the capacitor will: ?**

- (A) increase
- (B) decrease
- (C) remain the same
- (D) cannot tell

**6 >>A resistor and an output capacitor form a series circuit with a square wave applied. The circuit is: ?**

- (A) an integrator
- (B) a differentiator
- (C) a multiplier
- (D) a divider

**7 >>A capacitor’s rate of charge is considered: ?**

- (A) magnetic
- (B) a current block
- (C) linear
- (D) exponential

**8 >>After which time constant can a capacitor be considered to be fully charged? ?**

- (A) first
- (B) third
- (C) fifth
- (D) seventh

**9 >>You could increase the time constant of an RC circuit by ?**

- (A) adding a resistor in parallel with the circuit resistance
- (B) adding a capacitor in parallel with the circuit capacitance
- (C) increasing the amplitude of the input voltage
- (D) exchanging the position of the resistor and capacitor in the circuit

**10 >>When a 4.7 μ F capacitor is connected to a 1 kHz source, what is its capacitive reactance? ?**

- (A) 4.7 ohms
- (B) 29.5 ohms
- (C) 34 ohms
- (D) 213 ohms

**11 >>What is the angle theta value for a 5.6 μ F capacitor and a 50-ohm resistor in series with a 1.1 kHz, 5 Vacsource? ?**

- (A) 27.3 degrees
- (B) 62.7 degrees
- (C) -27.3 degree
- (D) -62.7 degrees

**12 >>Select the equation below that represents the relationship between charge, capacitance, and voltage for a capacitor. ?**

- (A) Q = CV
- (B) C = QV
- (C) V = IR
- (D) Q=VR

**13 >>When is a capacitor fully charged? ?**

- (A) when the current through the capacitor is the same as when the capacitor is discharged
- (B) when the voltage across the plates is 0.707 of the input voltage
- (C) when the current through the capacitor is directly proportional to the area of the plate
- (D) none of these

**14 >>In a 20 Vac series RC circuit, if 20 V is measured across the resistor and 40 V is measured across the capacitor, the applied voltage is: ?**

- (A) 45 V
- (B) 50 V
- (C) 55 V
- (D) 60 V

**15 >>A parallel resistor’s value that changes with age will cause a corresponding change in ______ . ?**

- (A) branch current
- (B) branch voltage
- (C) — branch current and branch voltage
- (D) power supply voltage

**16 >>A circuit is parallel between two points if ___ between those two points. ?**

- (A) the voltage divides
- (B) more than one current path exists
- (C) all resistors are equal
- (D) there is only one current path

**17 >>Circuit analysis should reveal that the largest resistance in a parallel circuit has the _____ ?**

- (A) least current
- (B) most current
- (C) least voltage
- (D) most voltage

**18 >>An open resistor in parallel will cause the total ___ to increase. ?**

- (A) voltage
- (B) current
- (C) resistance
- (D) power

**19 >>An ammeter is connected in ______ with the branch resistor to measure branch current, and in ______ with the voltage supply to measure total parallel circuit current. ?**

- (A) parallel, series
- (B) series, parallel
- (C) series, series
- (D) parallel, parallel

**20 >>As additional resistors are connected to a parallel circuit, the total resistance will ___. ?**

- (A) increase
- (B) increase by the value of the resistor being connected
- (C) decrease
- (D) remain unchanged