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Electric Circuits

Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 5000 ohms.
 50 ohms.
 1000 ohms.
 500 ohms.

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Electric Circuits
Internal resistance of ideal voltage source is

 finite
 infinite
 zero
 100 ohms

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Electric Circuits
Time constant of RL series circuit is

 2RC
 L/R
 2L/R
 RC

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Electric Circuits
A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption?

 √3P.
 3P.
 P/3.
 P.

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Electric Circuits
For occurrence of resonance which of the following elements are required?

 L
 R
 C
 Both 2 and 3

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Electric Circuits
Which law(s) find application in electrolysis?

 Gausss law.
 Faradays law.
 Coulombs law.
 Ohms law.

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MORE MCQ ON Electric Circuits

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