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Electric Circuits

Electric Circuits
In parallel RLC circuit under resonance condition the value of current is

 Zero
None of these
 Maximum
 Minimum

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Electric Circuits
The coils having self inductor of 10 mH and 15 mH have an effective inductor of 40 mH, when connected in series aiding. What will be the equivalent inductor if we connect them in series opposing

 5 mH.
 10 mH.
 20 mH.
 0 mH.

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Electric Circuits
In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be

 0.85.
 0.4.
 0.6.
 0.9.

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Electric Circuits
From the circuit diagram shown in question 1 find the maximum power transferred to the load.

 4.547 W.
 15.247 W.
 9 W.
 1.875 W.

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Electric Circuits
The basic circuit elements are

None of these
 both A and B.
 R, L and C.
 Vs, Is.

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Electric Circuits
If a function is shifted by 'T', then it is correctly represented as

 f (t) u (t-T).
 f (t-T) u (t-T).
 f (t-T) u (t).
 f (t) u (t).

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