Exercise: Capacitors

Questions for: Capacitors

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
Answer: D
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What is the phase shift between the voltage across the resistor and the voltage from the source?

A:
VR leads VS by 17°
B:
VR leads VS by 73°
C:
VR lags VS by 73°
D:
VR lags VS by 17°
Answer: B
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As a capacitor is being charged, current flowing into the capacitor will:
A:
increase
B:
decrease
C:
remain the same
D:
cannot tell
Answer: B
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What is the circuit's total current?

A:
4.57 mA
B:
9.327 mA
C:
11.570 mA
D:
13.830 mA
Answer: A
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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
Answer: B
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