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Electric Circuits

Electric Circuits
Which of the following substance when added to electrolyte promotes smooth deposition?

 Any of above.
 Gelatine.
 Albumen.
 Glucose.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is

 10.16 A.
 2.54 A.
 1.27 A.
 5.08 A.

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Electric Circuits
The rms value of sinusoidal voltage wave V = 200sinω0t

 200 V.
 100√2 V.
 200√2 V.
 100 V.

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 0.001 μF.
 0.01 μF.
 1 μF.
 0.1 μF.

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Electric Circuits
Which of the following quantities remain the same in all parts of a parallel circuit

 power.
 current.
 resistance.
 voltage.

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Electric Circuits
The efficiency in case of maximum power transfer theorem is

 less than 50 %.
 50 % - 100 %.
 50 %.
 100 %.

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