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Electric Circuits

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

 1.5V, 5/6 Ohm
 0.75V, 5/6 Ohm
 1.5V, 1.5 Ohm
 0.75 V, 1.5 Ohm

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Electric Circuits
What is called the frequency in AC operation?

 No. of (+) ve quadrature made per second.
 No. of wave made per second.
 No. of (-) ve quadrature made per second.
 No. of cycles made per second.

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

 107.
 10 - 6.
 105.
 10 - 4.

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Electric Circuits
In a capacitive circuit, the capacitive reactance is

 directly proportional to frequency
 directly proportional to the square of frequency
 indirectly proportional to the square of frequency
 indirectly proportional to frequency

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Electric Circuits
If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be

 100 V, 100 Hz.
 50√2 V, 100 Hz.
 100 V, 50 Hz.
 100√2 V, 100 Hz.

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Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 250 pF.
 1000 pF.
 125 pF.
 500 pF.

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