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GATE 2023 Electric Circuits Quiz 9

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Question 1

Which of the following is NOT correct about the delta connected balanced 3-phase circuit?

Question 2

A three-phase star connected alternator deliver a power of 5 kW to the load, an input voltage 440 V. The circuit is operated at 0.8 lagging power factor, determine the line current?

Question 3

A balanced RYB sequence , γ-connected source with VRN = 100V is connected to a Δ connected balanced load of (8+j6) ohm per phase. The phase current and line current values respectively are:

Question 4

Determine the value of current through the 100 resistor after the switch is closed in the 3-phase circuit. The source is 400/3 V phase balanced source.

Question 5

A 3-ϕ Voltage source with line voltage of 120 Vrms is used to drive a balanced delta connected load consisting of 3 impedances each with ZL = (12 + j9) Ω through a set of power lines each of which has an impedance of (1 + j0.5) Ω. The power delivers to the load is ______.

Question 6

A 3-phase distribution network is as shown above.
The resistance across the terminals RB, BY and RY are
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Apr 28ESE & GATE EE