ELECTRIC CIRCUITS QUIZ

In a series resonance circuit if bandwidth is 1 MHz and inductance is 1 mH, then what is the resistance value?

1 KΩ

100 Ω

1 MΩ

1 Ω

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The value of current I flowing in the 1 Ω resistor in the circuit shown in the given figure will be

0 A.

5 A.

6 A.

10 A.

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Which of the following Y-parameters is dimensionless?

Y12.

Y11.

none of these.

Y22.

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A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest?

10 Hz.

100 Hz.

1000 Hz.

1 Hz.

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If 1 A current flows in a circuit, the number of electrons flowing through this circuit is

1.6 × 1019

0.625 × 1019

1.6 × 10 - 19

0.625 × 10 - 19

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To apply reciprocity theorem response to excitation ratio is

Mho.

Ohm.

Either Ohm or Mho.

No units.

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A constant voltage source has

minimum current capacity.

low internal resistance.

high internal resistance.

minimum efficiency.

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In a series resonant circuit impedance is

zero.

none of these.

minimum.

maximum.

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Coating generally recommended for hard surfacing is

None of these

copper plating.

chromium plating.

lead plating.

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Atoms have no electric charge because they

have neutrons in their nuclei.

have an equal number of electrons and protons.

have an equal number of neutrons and protons.

have an equal number of charged and non charged particles.

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