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Electric Circuits

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

 Current
 Force
 Charge
 Power

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Electric Circuits
Poles and zeros are arranged alternatively on imaginary axis, then type of network is?

 RC network
 Any of the above
 RL network
 LC network

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Electric Circuits
The unit of electric displacement vector is

 Ampere-m.
 C/m.
 C/m2.
 C - m.

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Electric Circuits
The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V.

 200
 360
 450
 250

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Electric Circuits
Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance?

 0.029.
 None of these.
 0.058 H.
 0.049 H.

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Electric Circuits
In which braking back emf exceeds supply voltage?

  Plugging.
  Regenerative.
  None of these.
  Dynamic.

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