A 4.7 M Ω resistor is in series with a 0.015 μ F capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge? 35 ms 3.5 s 70.5 ms 352 ms TRUE ANSWER : ? YOUR ANSWER : ?
An uncharged capacitor and a 1 k Ω resistor are connected in series with a switch and a 6 V battery. At the instant the switch is closed, the voltage across the capacitor is 0 V 3 V 2 V 6 V TRUE ANSWER : ? YOUR ANSWER : ?
Two 0.68 μ F capacitors are connected in series across a 10 kHz sine wave signal source. The total capacitive reactance is 23.41 Ω 4.68 Ω 46.8 Ω 11.7 Ω TRUE ANSWER : ? YOUR ANSWER : ?
A 2 μ F, a 4 μ F, and a 10 μ F capacitor are connected in series. The total capacitance is less than 1.5 μ F 4 μ F 10 μ F 2 μ F TRUE ANSWER : ? YOUR ANSWER : ?
What is the capacitance when Q = 60 μC and V = 12 V? 12 μF 50 μF 5 μF 720 μF TRUE ANSWER : ? YOUR ANSWER : ?
A 10 μF, 20 μF, 22 μF, and 100 μF capacitor are in parallel. The total capacitance is 2.43 μF 4.86 μF 152 μF 100 μF TRUE ANSWER : ? YOUR ANSWER : ?
Four 0.15 μF capacitors are in parallel. The total capacitance is 0.30 μF 0.8 μF 0.15 μF 0.6 μF TRUE ANSWER : ? YOUR ANSWER : ?
A 0.47 μF capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is 1.7 Ω 0.000169 Ω 17 Ω 170 Ω TRUE ANSWER : ? YOUR ANSWER : ?
A 0.01 F capacitor equals how many picofarads? 1,000 pF 100,000 pF 100 pF 10,000 pF TRUE ANSWER : ? YOUR ANSWER : ?
A 12 kHz voltage is applied to a 0.33 F capacitor, and 200 mA of rms current is measured. What is the value of the voltage? 80 V 8 V 80 mV 800 mV TRUE ANSWER : ? YOUR ANSWER : ?