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Electric Circuits

Electric Circuits
Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

 (V*L) / (R*C)
 V / {R + (sL + 1 / Cs)}.
 V/R.
 0.

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 5 V.
 15 V.
 1.5 V.
 3 V.

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Electric Circuits
If a capacitors of capacitance 100 μF is connected across a voltage source of 10 V, then what will be the energy stored in that capacitor?

 5 × 10 - 2 Joule.
 10 × 10 6 Joule.
 10 × 10 - 3 Joule.
 5 × 10 - 3 Joule.

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Electric Circuits
Common impurity in battery electrolyte is

 dust.
 sodium chloride.
 iron.
 lead sulfate.

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Electric Circuits
Which property is used to oppose the flow of current ?

 Inductance
 Resistance
 Capacitance
 Poteintial difference

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Electric Circuits
A external resistance R is connected to a cell of internal resistance r, then the current is maximum when

 R < r.
 R > r.
None of these
 R = r.

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