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Electric Circuits

Electric Circuits
In direct arc furnace which of following is of high value?

 Voltage.
 Power factor.
 Current.
 All of above.

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Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 250 pF.
 125 pF.
 500 pF.
 1000 pF.

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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.

 both a and c
 less than
 equals to
 greater than

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Electric Circuits
In 2 port network Z12 = Z21 indicates which property

 non linear.
 unilateral.
 bilateral.
 linear.

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Electric Circuits
Laplace transform analysis gives

 real response only.
 both (a) and (b).
 frequency domain response only.
 time domain response only.

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

 resistance.
 all of these.
 impedance.
 power factor.

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MORE MCQ ON Electric Circuits

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