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Electric Circuits

Electric Circuits
Select the wave that has the least value of form factor.

 Triangular wave.
 Sine wave.
 Rectangular wave.
 Square wave.

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Electric Circuits
You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect

 three in series.
 two in parallel and one in series.
 three in parallel.
 two in parallel.

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 1 μF.
 0.1 μF.
 0.01 μF.
 0.001 μF.

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Electric Circuits
Power factor can be defined as

 ratio of resistance versus impedance.
 cosine of angle between voltage and current.
 both option B and C.
 sine of voltage and current.

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Electric Circuits
Bulb in street lighting are connected in

 series parallel.
 series.
 parallel.
 end of end.

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Electric Circuits
A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is

 still f0.
 f0 / 4.
 2f0.
 f0 / 2.

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MORE MCQ ON Electric Circuits

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