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Electric Circuits

Electric Circuits
A capacitor carries a charge of 0.1 C at 5 V. Its capacitance is

 0.02 F
 0.05 F
 0.5 F
 0.2 F

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is

  50.8 V.
  30.6 V.
 24.4 V .
 40.8 V.

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Electric Circuits
Ampere second is the unit of

 power.
 charge.
 energy.
 conductance.

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Electric Circuits
In foster 1 form 1st element is

 inductor.
 both.
 capacitor.
 none.

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Electric Circuits
Find the Z parameters of the circuit shown in figure.

 Z11 = 1; Z12 = 1; Z21 = 1; Z22 = 1
 Z11 = 2; Z12 = 1; Z21 = 1; Z22 = 2
 Z11 = 3; Z12 = 3; Z21 = 3; Z22 = 3
 Z11 = 3; Z12 = 1; Z21 = 1; Z22 = 3

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Electric Circuits
A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be

 5 times smaller than before.
 5 times greater than before.
 25 times larger than before.
 10 times greater than before.

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