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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 tie set matrix is

 b - N - 1.
 b - N + 1.
 N - 1.
 N.

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Electric Circuits
The terminals across the source are ___________ if a voltage source is to be neglected.

 replaced by a series resistance.
 short circuited.
 replaced by a shunt resistance.
 open circuited.

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Electric Circuits
A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is

 2C Farad.
 16C Farad.
 4C Farad.
 C Farad.

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Electric Circuits
What is the value of charge of an electron?

 1.6022 × 10-7 Coulomb
 1.6022 × 10-27 Coulomb
 1.6022 × 10-8 Coulomb
 1.6022 × 10-19 Coulomb

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Electric Circuits
If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power

 0 Hz.
 150 Hz.
 100 Hz.
 50 Hz.

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Electric Circuits
The form factor of sinusoidal alternating current is

 1.11.
 1.15.
 1.
 0.

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MORE MCQ ON Electric Circuits

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