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Electric Circuits

Electric Circuits
Which property is used to oppose the flow of current ?

 Resistance
 Poteintial difference
 Capacitance
 Inductance

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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

  nR .
  n2R.
  R / n2.
  n2 / R.

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Charge
 Power
 Current
 Force

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Electric Circuits
If L and C both are doubled than damping in above circuit will be

 doubled as compared to previous one.
 halved as compared to previous one.
 remains same.
None of these

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Electric Circuits
Power dissipation in ideal inductor is

 Maximum
 A finite value
 Zero
 Minimum

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Electric Circuits
VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is

 YRB.
 RBY.
 BRY.
 RYB.

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