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Electric Circuits

Electric Circuits
Transients are presents in the circuit when the circuit is having

 C.
 Either L or C.
 L.
 R.

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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?

 √3P.
 P/3.
 3P.
 P.

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Electric Circuits
Whenever current is supplied by a source its terminal voltage

 decreases.
 remains constant.
 increases exponentially.
 increases.

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Electric Circuits
A branch of a network is said to be active when it consists of one

 voltage source.
 resistor.
 capacitor.
 inductor.

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Electric Circuits
Internal resistance of ideal voltage source is

 100 ohms
 zero
 infinite
 finite

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Electric Circuits
A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star?

 27∠30o Ω
None of these
 3∠30o Ω.
 30∠30o Ω.

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