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Electrostatic and Capacitance

Electrostatic and Capacitance
An electrolytic capacitor can be used for

None of the listed here
DC only
Both DC and AC
AC only

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Electrostatic and Capacitance
A capacitor having capacitance of 5 uF is charged to a potential difference of 10,000 V. The energy stored in the capacitor is

150 joules
50 joules
200 joules
250 joules

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Electrostatic and Capacitance
What is the capacitance when Q = 60 µC and V = 12 V?

720 µF
12 µF
50 µF
5 µF

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Electrostatic and Capacitance
A capacitor of 2,000 pF is greater than

0.02 µF
0.0002 µF
0.0000002 F
0.002 µF

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Electrostatic and Capacitance
While testing a capacitor with ohm meter, if the capacitor shows charging, but the final resistance reading is appreciably less than normal, it can be concluded that the capacitor is

Short-circuit
Open-circuit
Alright
Leaky

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Electrostatic and Capacitance
A 220 Ω resistor is in series with a 2.2 µF capacitor. The time constant is

24 µs
2.42 µs
48 µs
480 µs

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