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Electric Circuits

Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 107.
 10 - 4.
 10 - 6.
 105.

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Electric Circuits
A branch of a network is said to be active when it consists of one

 resistor.
 voltage source.
 capacitor.
 inductor.

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Electric Circuits
For cadium plating electrolyte used is

 any of above.
 sodium cyanide, cadmium and caustic soda.
 cadmium hexa metaphosphate.
 cadmium sulphate and sulphuric acid.

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 1000000 ohms, 1 W.
 10 ohm, 50 W.
 10000 ohms, 10 W.
 5000 ohms, 100W.

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Electric Circuits
2) Two sinusoidal emfs are given as e1 = Asin(wt+45) and e2 = Bsin(wt-30). The phase difference between the two quantities in degrees is

 75.
 15.
 105.
 60.

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Electric Circuits
In steady state condition capacitor acts as a

 voltage source
 open circuit
 short circuit
 current source

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MORE MCQ ON Electric Circuits

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