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Electric Circuits

Electric Circuits
Conductance of any conductor is expressed as

  watt / ampere2.
  ampere / watt.
  mho.
  volt2 / watt.

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Electric Circuits
The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is

 1 A.
 0.5 A.
 0.318 A.
 0.637 A.

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Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 0.316 A.
 1 A.
 0.1 A.
 0.01 A.

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

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

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Electric Circuits
Current magnification will occur in which of the following case?

 Series resonance
 Parallel resonance
 Both
None of these

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Electric Circuits
A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the current in the circuit?

 0.1465 A.
 0.2547 A.
 0.4583 A.
 0.1578 A.

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