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Electric Circuits

Electric Circuits
The capacitive reactance of a capacitor of (1 / 2μF) F at 103 Hz is

 10- 6 μF.
 10 3 μF.
 10- 3 μF.
 10 6 μF.

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Electric Circuits
One ampere hour charge is equivalent to

 36000 coulombs.
 3600 coulombs.
 36 coulombs.
 360 coulombs.

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

 Parallel resonance
 Both
None of these
 Series resonance

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Electric Circuits
2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is

 15.
 60.
 75.
 105.

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Electric Circuits
In 2 port network Z12 = Z21 indicates which property

 bilateral.
 linear.
 unilateral.
 non linear.

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Electric Circuits
In series RLC circuit to get Q>1, which of the following is required?

 XL < R
 XL = R
 XL > R
All of these

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