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Electric Circuits

Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 16.
 4.
 1/4.
 1.

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Electric Circuits
Condition of reciprocity in Y-parameter representation is

 Y11 = Y22.
 Y12 = Y22.
 Y11 = Y12.
 Y12 = Y21.

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Electric Circuits
Number of branches of a graph should be --------- number of branches of a network

 less than equals to
 greater than
 equals to
 less than

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Electric Circuits
A 3Ω resistor having 2A current will dissipate the power of

 4 W.
 8 W.
 2 W.
 12 W.

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Electric Circuits
The equation for 25 cycles current sine wave having rms value of 30 amps, will be

 42.4sin25πt.
 42.4sin50πt.
 30sin50πt.
 30sin25πt.

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Electric Circuits
Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω.

 6.
 5.2.
 0.6.
 3.4.

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MORE MCQ ON Electric Circuits

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