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Electric Circuits

Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Parallel L.
 Series L.
 Series C.
 Parallel C.

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Electric Circuits
If the dielectric of a capacitor is replaced by conducting material

 the plate will get short circuited.
 the capacitor will get heated up due to eddy currents.
 the capacitor can store infinite charge.
 the capacitance value of the plate will decrease.

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Electric Circuits
For a band pass filter, cut off frequency of the low pass filter should be ___ of the high pass filter?

All of these
 greater than
 less than
 equals to

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Electric Circuits
In the above question find the angle between voltage and current?

 90.
 60.
 54.74.
 30.

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Electric Circuits
For occurrence of resonance which of the following elements are required?

 L
 R
 C
 Both 2 and 3

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

 0.318 A.
 0.637 A.
 0.5 A.
 1 A.

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