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Electric Circuits

Electric Circuits
The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is

 0.318 A.
 0.5 A.
 0.637 A.
 1 A.

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Electric Circuits
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.
 VL and VR.
 VL and I.
 Z and I.

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 100 mA.
 3 A.
 30 mA.
 300 mA.

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 2000 to 3000 volts.
 more than 10000 volts.
 200 to 1600 volts.
 20 to 60 volts.

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Electric Circuits
The efficiency in case of maximum power transfer theorem is

 100 %.
 50 % - 100 %.
 50 %.
 less than 50 %.

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Electric Circuits
Form factor is equal to Peak factor in case of

 saw tooth wave.
 square wave.
All of these
 triangle wave.

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MORE MCQ ON Electric Circuits

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