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Electrostatic and Capacitance

Electrostatic and Capacitance
When the voltage across a capacitor is tripled, the stored charge

Stays the same
Triples
Doubles
Is cut to one-third

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Electrostatic and Capacitance
A capacitance of 100 fiF is connected in series with a resistance of 8000 £2. The time constant of the circuit is

0.4 s
0.6 s
0.8 s
1.2 s

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Electrostatic and Capacitance
If three 10 uF capacitors are connected in parallel, the net cararitance is

20 uF
15 uF
40 uF
30 uF

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Electrostatic and Capacitance
The time constant of an R-C circuit is defined as the time during which capacitor charging voltage actually rises to ______ percent of its value.

62, initial
62, final
37, initial
37, final

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Electrostatic and Capacitance
A unit tube of flux is known as tube

None of the listed here
Newton
Michale
Farady

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Electrostatic and Capacitance
An electrolytic capacitor can be used for

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

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