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Electric Circuits

Electric Circuits
The rms value of sine wave is 100 A. Its peak value is

 150 A.
 70.7 A.
 141.4 A.
 282.8 A.

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Electric Circuits
In foster 1 form 1st element is

 capacitor.
 both.
 none.
 inductor.

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Electric Circuits
Transients are presents in the circuit when the circuit is having

 Either L or C.
 C.
 R.
 L.

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

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Electric Circuits
The capacitance of a parallel plate capacitor can be varied by

 changing the distance between the plates only.
All of these
 changing the dielectric medium only.
 changing the overlapping area of the plates only.

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Electric Circuits
Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2)

 ω1 / ω2
 √(ω1² + ω2²)
 ω1 - ω2
 ω1 + ω2

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