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Electric Circuits

Electric Circuits
A capacitor that stores charge of 0.5 C at 10 V has a capacitance of _____________ farad.

 10.
 0.05.
 20.
 5.

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Electric Circuits
Kirchhoff’s current law is used for

 nodal analysis.
 finding equivalent resistance.
 loop analysis.
 representing a current source.

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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

 N - 1.
 N.
 b - N + 1.
 b - N - 1.

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Electric Circuits
The resistivity of semi-conductors at room temperatures is

 109 to 1012 ohm - cm.
 1.6 × 106 to 100 × 106 ohm - cm.
 0.01 to 50 ohm - cm.
 1000 to 1500 ohm - cm.

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Electric Circuits
If the three colour bands of a resistor are grey, violet and gold, what is the value of the resistor?

 8.7 ohms.
 9.7 ohms.
 7.7 ohms.
 6.7 ohms.

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Electric Circuits
Coating generally recommended for hard surfacing is

 copper plating.
 lead plating.
None of these
 chromium plating.

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MORE MCQ ON Electric Circuits

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