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Electric Circuits

Electric Circuits
Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

 0.
 (V*L) / (R*C)
 V / {R + (sL + 1 / Cs)}.
 V/R.

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Electric Circuits
Which of the following quantities remain the same in all parts of a parallel circuit

 voltage.
 resistance.
 current.
 power.

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Electric Circuits
If the three colour bands of a resistor are grey, violet and gold, what is the value of the resistor?

 6.7 ohms.
 9.7 ohms.
 8.7 ohms.
 7.7 ohms.

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Electric Circuits
The energy required to charge a 10 μF capacitor to 100 V is

 0.01 J.
 5 × 10-9 J.
 10 × 10-9 J.
 0.05 J.

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Electric Circuits
Average power taken by the pure capacitor is

 Any of the above
 Maximum
 Zero
 Minimum

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Electric Circuits
A 100 μF capacitor supplied from 3 V source with a frequency of 50 Hz. The capacitive reactance is

 7.96 Ω.
 15.92 Ω.
 31.84 Ω.
 63.68 Ω.

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