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Electric Circuits

Electric Circuits
In the circuit given, I = 1 A for Is = 0. What is the value of I for Is = 2 A ?

 4 A.
 1 A.
 3 A.
  2 A.

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Electric Circuits
Mica capacitor are characterised by all of following except

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

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Electric Circuits
From the given figure find the R3

 25 kilo ohm
 25 mega ohm
 25 mili ohm
 25 ohm

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Electric Circuits
What is apparent power in AC operation?

 Product of voltage and current at full load.
 Product of rms voltage and rms current.
 Product of voltage and current at no load.
 Product of voltage and current.

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Electric Circuits
Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

 (G1 + G2 + G3) - 1.
 G1 + G2 + G3.
 1 / G1 + 1 / G2 + 1 / G3.
 (1 / G1 + 1 / G2 + 1 / G3) - 1.

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Electric Circuits
The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is

 10- 3 μF.
 10 6 μF.
 10 3 μF.
 10- 6 μF.

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