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Electric Circuits

Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 10 - 4.
 105.
 107.
 10 - 6.

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 - 1.25
 2.5
 1
 10

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Electric Circuits
The rms value of sine wave is 100 A. Its peak value is

 282.8 A.
 141.4 A.
 70.7 A.
 150 A.

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Electric Circuits
In the figure given, the value of R is

 24 Ω.
 12 Ω.
 18 Ω.
 10 Ω.

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Electric Circuits
The phase angle difference between current and voltage is 90o, the power will be

 maximum.
 minimum.
 zero.
 VI.

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Electric Circuits
Which quantity consists of a unit 1KWh ?

 Charge
 Power
 Energy
 Time

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MORE MCQ ON Electric Circuits

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