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Electric Circuits

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

 indeterminate.
 infinite.
 1.
 0.

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Electric Circuits
What is the relation between time period T and frequency?

 T = frequency.
 T = 0.85 / frequency.
 T = 1 / frequency.
 T = 0.5 / frequency.

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Electric Circuits
In the network shown, what is the current I in the direction shown?

 0 A.
 1 / 3 A.
 4 A.
 5 / 6 A.

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Electric Circuits
To reduce hysteresis loss, we use

 laminated sheets.
 soft-iron.
 CRGO steel.
 copper bars.

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

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

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Electric Circuits
The energy stored by a capacitor is given by

 all of them.
 1/2 QV.
 1/2 CV2.
 Q2 / 2C.

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MORE MCQ ON Electric Circuits

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