ELECTRIC CIRCUITS QUIZ

If the peak value of a sine wave is 100 V, then its RMS value will be

70.7 V.

88 V.

100 V.

63.6 V.

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YOUR ANSWER : ?

If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases?

VL and Z.

Z and I.

VL and VR.

VL and I.

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Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance?

Brown, black, orange and no tolerance band.

Orange, orange, black and gold stripes.

Yellow, violet, yellow and silver stripes.

Red, red, green and silver stripes.

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An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are

50 Ω and 200 Ω.

40 Ω and 40 Ω.

25 Ω and 5 Ω.

40 Ω and 200 Ω.

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From the given figure find the R3

25 mega ohm

25 ohm

25 mili ohm

25 kilo ohm

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Which of the following Y-parameters is dimensionless?

none of these.

Y22.

Y11.

Y12.

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The electrical resistance of human body is around

5 ohms.

1000 ohms.

25 ohms.

250 ohms.

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In the circuit shown below, find the thevnin equivalent resistance.

6/5 Ohm.

5 Ohm.

1.5 Ohm.

5/6 Ohm.

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Internal resistance of ideal current source is

100 ohms

infinite

zero

finite

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Millman theorem yields equivalent

voltage source.

current source.

both ‘c’ and ‘d’ .

impedance.

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