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Electric Circuits

Electric Circuits
Electro-chemical equivalent is usually expressed in

  mg per coulomb.
  mg per kVA.
  mg per kW.
  mg per volt.

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Electric Circuits
Given network is having N nodes and b branches, then number of individual loops are

 b - N - 1.
 N.
 b - N + 1.
 N - 1.

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 30 mA.
 3 A.
 300 mA.
 100 mA.

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

 800 Ω.
  200 Ω.
 100 Ω.
 400 Ω.

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Electric Circuits
An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor.

 1.11.
 0.57.
 1.414.
 0.318.

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Electric Circuits
Mica capacitor are characterised by all of following except

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

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