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Electric Circuits

Electric Circuits
Total power consumed in the circuit below is 10 W. Find X.

 None of these.
  2 A.
 1 A.
 3 A.

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Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 4 A.
 2.5 A.
 2 A.
 1 A.

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 10000 ohms, 10 W.
 5000 ohms, 100W.
 10 ohm, 50 W.
 1000000 ohms, 1 W.

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Electric Circuits
In question no.3, which of the following is true ?

 ic (0+) = i(0+).
 i(0+)= iL(0+).
 iL(0) = ic (0).
 None of these.

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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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Electric Circuits
A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least

 when capacitor is fully charged.
 when capacitor is half charged.
 initially.
 when capacitor is almost 25% charged.

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