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Electric Circuits

Electric Circuits
A capacitor carries a charge of 0.1 C at 5 V. Its capacitance is

 0.2 F
 0.02 F
 0.5 F
 0.05 F

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Electric Circuits
In question no.3, which of the following is true ?

 i(0+)= iL(0+).
 ic (0+) = i(0+).
 iL(0) = ic (0).
 None of these.

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

All of these
 XL > R
 XL = R
 XL < R

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

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

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Electric Circuits
In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit.

 - 6.28.
 6.98.
 - 9.59.
 9.59.

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Electric Circuits
The current in the resistor R shown in figure will be

 0.4 A.
 0.8 A.
 0.2 A.
 0.6 A.

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MORE MCQ ON Electric Circuits

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