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Electric Circuits

Electric Circuits
Which of the following is not a bilateral element?

 Capacitor.
 Inductor.
 Resistor.
 Diode.

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Electric Circuits
The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is

 10- 3 μF.
 10 3 μF.
 10- 6 μF.
 10 6 μF.

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

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

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Electric Circuits
If a function is shifted by 'T', then it is correctly represented as

 f (t) u (t).
 f (t) u (t-T).
 f (t-T) u (t-T).
 f (t-T) u (t).

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Electric Circuits
A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the resistance.

 480 Ohms.
 100 Ohms.
 1000 Ohms.
 500 Ohms.

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Electric Circuits
The linear circuit element is

 all of above.
 resistor.
 inductor.
 capacitor.

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