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Electric Circuits

Electric Circuits
Poorest conductor of electricity is

  Steel.
  Silver.
  Aluminium.
  Carbon.

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

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

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Electric Circuits
A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source

 0.5 A in parallel with 50 Ω.
 2 A with 50 Ω in parallel.
 2 A with 50 Ω in series.
 none of these.

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Electric Circuits
Common impurity in battery electrolyte is

 lead sulfate.
 sodium chloride.
 dust.
 iron.

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Electric Circuits
Average power taken by the pure capacitor is

 Zero
 Any of the above
 Minimum
 Maximum

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Electric Circuits
The electrical resistance of human body is around

  1000 ohms.
  5 ohms.
  250 ohms.
  25 ohms.

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MORE MCQ ON Electric Circuits

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