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Electric Circuits

Electric Circuits
Lowest current density is generally recommended for plating of

 bronze.
 chromium.
 silver.
 cadmium.

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Electric Circuits
Millman theorem yields equivalent

 both ‘c’ and ‘d’ .
 impedance.
 voltage source.
 current source.

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Electric Circuits
The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be

 4 / 3 Ω.
 6 Ω.
 3 / 2 Ω.
 3 / 4 Ω.

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Electric Circuits
A 60 Hz frequency voltage would cause a bulb to turn on and off

 80 times per second.
 60 times per second.
 70 times per second.
 120 times per second.

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

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

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

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

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MORE MCQ ON Electric Circuits

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