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Electric Circuits

Electric Circuits
What is the SI unit of electric current ?

None of these
 Ohm.
 Faraday.
 Ampere.

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Electric Circuits
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 all in parallel.
 all in series.
 two in parallel and third in series with this combination.
 two in series and third in parallel across this combination.

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Electric Circuits
A load is connected to an active network. At the terminals to which the load is connected, RTH = 10 Ohm, VTH = 60V. Then maximum power supplied to the load is

 90W.
 360W.
 180W.
 60W.

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Electric Circuits
A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it?

 2.5 × 102 joules.
 6 × 102 joules.
 3 × 102 joules.
 4 × 102 joules.

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

 250 pF.
 500 pF.
 1000 pF.
 125 pF.

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Electric Circuits
One atomic mass unit ( amu ) is approximately equal to

 1.6 × 10-24 Kg.
 1.6 × 10-13 Kg.
 1.6 × 10-19 Kg.
  1.6 × 10-27 Kg.

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