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Electric Circuits

Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is

 N.
 N - 1.
 b - N + 1.
 b - N - 1.

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Electric Circuits
The value of E within the field due to a point charge can be found with help of

 Coulombs law.
 Faradays law.
 Kirchhoffs law.
 Lenzs law.

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Electric Circuits
In series R, L circuit power factor can be defined as

 R/Z
All of these
 Vr/V
 P/S

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Electric Circuits
A star connected load has three equal impedance each of (40 + j30) Ω If the line current is 5 A then value of line voltage is

 250 / √3 V.
 200 V.
 250 √3 V.
 250 V.

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 10 ohm, 50 W.
 5000 ohms, 100W.
 10000 ohms, 10 W.
 1000000 ohms, 1 W.

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Electric Circuits
Capacitor does not allow the sudden change of

 power
 voltage
None of these
 current

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MORE MCQ ON Electric Circuits

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