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Electric Circuits

Electric Circuits
In which braking back emf exceeds supply voltage?

  Dynamic.
  Plugging.
  Regenerative.
  None of these.

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Electric Circuits
Mica capacitor are characterised by all of following except

 low leakage reactance.
 accurate value.
 stable operation.
 low losses.

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Electric Circuits
Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure?

 4 A.
 3 A.
 0 A.
 2 A.

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Electric Circuits
At which of the following frequency voltage across capacitor has maximum value for series circuit ?

 Equal to resonance frequency
 Less than resonance frequency
 Greater than resonance frequency
 Zero frequency

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Electric Circuits
A load is connected to an active network. At the terminals to which the load is connected, RTH = 10 Ohm, VTH = 60V. Then maximum power supplied to the load is

 360W.
 60W.
 180W.
 90W.

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Electric Circuits
Inductor does not allow the sudden change of

 voltage
 current
 power
None of these

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MORE MCQ ON Electric Circuits

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