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Electric Circuits

Electric Circuits
What is the unit of potential difference ?

 Ampere
 Watt
 Volt
 Ohm

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Electric Circuits
A capacitor is charged by a constant 10 mA current sources which is turned on for 1 second. Assuming the capacitor is initially charge free; determine the charge delivered to and the power supplied by the source if the capacitor has a value of 1 mF.

 0.1C, 10MW.
 0.01C, 10MW.
 0.01C and 5W.
 0.1C, 100MW.

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Electric Circuits
A current in a circuit is given by, If the current flows through the 5 Ω resistor, find power dissipated at t = 0?

 40 Watts.
 20 Watts.
 10 Watts.
 15 Watts.

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

 XL
 XL>R
 XL=R
All of these

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Electric Circuits
Given network is having N nodes and b branches, then number of individual loops are

 N.
 b - N - 1.
 N - 1.
 b - N + 1.

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

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

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