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Electric Circuits

Electric Circuits
In parallel RC circuit total current is 5A and current through resistor is 3A. What is the current through capacitor?

 2A
 5A
 4A
 3A

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Electric Circuits
If all the elements in a particular network are linear, then the superposition theorem would hold, when the excitation is

 AC only
 Either AC or DC
 DC only
 An Impulse

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

 power factor.
 resistance.
 impedance.
 all of these.

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Electric Circuits
Laplace transform analysis gives

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

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Electric Circuits
A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption?

 P.
 √3P.
 3P.
 P/3.

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Electric Circuits
If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases

 the current decreases abruptly.
 the current increases.
 the current decreases.
 the current remain unaltered.

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