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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
 0.5 F
 0.2 F
 0.05 F

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Electric Circuits
An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are

 50 Ω and 200 Ω.
 40 Ω and 200 Ω.
 25 Ω and 5 Ω.
 40 Ω and 40 Ω.

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Electric Circuits
The terminals across the source are ___________ if a voltage source is to be neglected.

 short circuited.
 replaced by a shunt resistance.
 replaced by a series resistance.
 open circuited.

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Electric Circuits
Laplace transform analysis gives

 real response only.
 time domain response only.
 both (a) and (b).
 frequency domain response only.

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Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 1 W.
 9/8 W.
 7.5 W.
 6/8W.

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 1.5V, 1.5 Ohm
 0.75V, 5/6 Ohm
 0.75 V, 1.5 Ohm
 1.5V, 5/6 Ohm

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