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Electric Circuits

Electric Circuits
A 3Ω resistor having 2A current will dissipate the power of

 8 W.
 12 W.
 4 W.
 2 W.

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Electric Circuits
If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance

  n2R.
  n2 / R.
  nR .
  R / n2.

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Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 None of them
 -27.4 V.
 34.4 V.
 -28.4 V.

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Electric Circuits
In ideal system coefficient of coupling(k) is

 ∞
 1
 0
 Both 2 and 3

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Electric Circuits
From the circuit diagram shown in question 1 find the maximum power transferred to the load.

 9 W.
 1.875 W.
 4.547 W.
 15.247 W.

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Electric Circuits
A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is

 4C Farad.
 C Farad.
 16C Farad.
 2C Farad.

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MORE MCQ ON Electric Circuits

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