A load of three impedances each (6 + j9) is supplied through a line ha – McqOptions

MCQOPTIONS

1.	A load of three impedances each (6 + j9) is supplied through a line having an impedance of (1 + j2) Ω. The supply voltage is 400 V at 50 Hz. Determine input and output powers respectively when the load is star connected.
A.	5469 W and 6591 W
B.	4359 W and 8269 W
C.	6591 W and 5649 W
D.	6688 W and 9854 W
Answer» D. 6688 W and 9854 W

Discussion

No Comment Found

Related MCQs

A load of three impedances each (6 + j9) is supplied through a line having an impedance of (1 + j2) Ω. The supply voltage is 400 V at 50 Hz. Determine input and output powers respectively when the load is star connected.
In balanced three-phase star-connected sources, the angle are \(\angle \left( {\overline V_a,\overline V_{ab}} \right)\), \(\angle \left( {\overline V_b,\overline V_{bc}} \right)\), \(\angle \left( {\overline V_c,\overline V_{ca}} \right)\)
For a star-connected three-phase AC circuit, the:
Line current of 3 phase delta connection
In a balanced three-phase star connected system, if the line current is 30 A, then its phase current is:
\({\overline V _a}\) = 1∠0°, \({\overline V _b}\) = 1∠120°, \({\overline V _c}\) = 1∠240° constitute a balanced set of three phase voltages. The magnitude and angle of voltage \(\overline V_{bc}\) are
If a system is connected in delta connection, how can be the total power output expressed as?
In a three-phase system, the relation IL = √3Iph is applicable to a:
In star connection, if the phase voltage is 1732 V then what will be the line voltage?
A balanced star connected a load of (8 + j6) Ω per phase is connected to a balanced 3-phase 400 V supply. Find the power factor