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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.
 500 ohms.
 50 ohms.
 1000 ohms.

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Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 0.75 V, 1.5 Ohm
 1.5V, 5/6 Ohm
 1.5V, 1.5 Ohm
 0.75V, 5/6 Ohm

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Electric Circuits
Time constant of RL series circuit is

 RC
 2L/R
 2RC
 L/R

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Electric Circuits
A current is said to be alternating when it changes in

 none of these.
 magnitude.
 both ‘a’ and ‘b’.
 direction.

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Electric Circuits
The alternative names for active power is/are

 true power.
All of these
 real power.
 average power.

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Electric Circuits
Which of the following is applicable for both linear and non-linear circuits?

 Thevnin’s theorem.
 Norton’s theorem.
 Superposition theorem.
 None of these .

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