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Electric Circuits

Electric Circuits
Voltage magnification will occur in which of the following case?

 Parallel resonance
 Both
None of these
 Series resonance

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Electric Circuits
A 3Ω resistor having 2A current will dissipate the power of

 2 W.
 8 W.
 12 W.
 4 W.

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Electric Circuits
The current through the 2 KΩ resistance ( rest resitances are all 1 ohm each ) in the circuit shown in diagram

 1 mA.
 2 mA.
 6 mA.
 0 mA.

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Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 250 pF.
 1000 pF.
 125 pF.
 500 pF.

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Electric Circuits
A voltage of v = 100 sin (wt + π/3) is applied to pure resistor of 30 Ohm. What is the RMS value of current is

 2.36.
 1.92.
 5.77.
 4.71.

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Electric Circuits
The unit of resistivity is

 Ω - metre.
 Ω.
 Ω / m².
 Ω / metre.

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