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Electric Circuits

Electric Circuits
In which of the following oscillations are not present?

 Over damping
 Critical damping
 Under damping
 Both 2 and 3

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Electric Circuits
Power dissipation in ideal inductor is

 Minimum
 Maximum
 A finite value
 Zero

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Electric Circuits
Galvanizing is the coating of

 lead.
 chromium.
 brass.
 zinc.

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Electric Circuits
The resistance of 200 W, 200 V lamp is

 800 Ω.
 400 Ω.
 100 Ω.
  200 Ω.

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Electric Circuits
Number of branches of a graph should be --------- number of branches of a network

 equals to
 less than
 greater than
 less than equals to

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Electric Circuits
An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are

 40 Ω and 200 Ω.
 25 Ω and 5 Ω.
 40 Ω and 40 Ω.
 50 Ω and 200 Ω.

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