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Electric Circuits

Electric Circuits
The unit of resistivity is

 Ω / m².
 Ω.
 Ω / metre.
 Ω - metre.

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Electric Circuits
For the network shown in figure, the value of current through 8Ω resistor is

 4.8 A.
 2.4 A.
 1.2 A.
 1.5 A.

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Electric Circuits
The norton equivalent of the circuit shown in the figure is

 1A, 5/6 Ohm
 1A, 1.5 Ohm
 0.75A, 5/6 Ohm
 0.75 A, 1.5 Ohm

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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
 1
 10
 2.5

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Electric Circuits
The value of unity impulse function at time (t) = 0 is

 0.
 1.
 indeterminate.
 infinite.

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 0.001 μF.
 0.1 μF.
 0.01 μF.
 1 μF.

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MORE MCQ ON Electric Circuits

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