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Electric Circuits

Electric Circuits
Capacitor does not allow the sudden change of

None of these
 current
 power
 voltage

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Electric Circuits
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 1 mA.
 0.35 mA.
  0.25 mA.
 0.5 mA.

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Electric Circuits
From the circuit diagram shown in question 1 find the maximum power transferred to the load.

 15.247 W.
 9 W.
 4.547 W.
 1.875 W.

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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

None of these
 R > r.
 R < r.
 R = r.

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Electric Circuits
A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source

 0.5 A in parallel with 50 Ω.
 none of these.
 2 A with 50 Ω in parallel.
 2 A with 50 Ω in series.

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Electric Circuits
Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

 G1 + G2 + G3.
 (G1 + G2 + G3) - 1.
 1 / G1 + 1 / G2 + 1 / G3.
 (1 / G1 + 1 / G2 + 1 / G3) - 1.

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