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Electric Circuits

Electric Circuits
Voltage magnification will occur in which of the following case?

 Parallel resonance
 Series resonance
 Both
None of these

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Electric Circuits
The value of supply voltage for 400 W, 4 Ω load is

 20 V.
 40 V.
 200 V.
 400 V.

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Electric Circuits
Electrics supply for electroplating should be

 any of above.
 DC voltage.
 low frequency ac voltage.
 low AC voltage.

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Electric Circuits
Condition for a balanced 3 - phase load is that, each phase has the same value of __________________.

 impedance.
 power factor.
 resistance.
 all of these.

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Electric Circuits
Kirchhoff’s current law is used for

 finding equivalent resistance.
 loop analysis.
 nodal analysis.
 representing a current source.

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Electric Circuits
To find the initial value of a function, the highest power of S in denominator should be ---------- the highest power of S in the numerator.

 greater than
 both a and c
 equals to
 less than

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