MGVCL Exam Paper (30-07-2021 Shift 2)
A coil having an inductance of 100 mH is magnetically coupled to another coil having an inductance of 900 mH. The coefficient of coupling between the coils is 0.45. Calculate the equivalent inductance if the two coils are connected in series opposing.

1270 mH
730 mH
1135 mH
932 mH

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MGVCL Exam Paper (30-07-2021 Shift 2)
A short-shunt dc compound generator supplies 50 A at 300 V. If the shunt field resistance, series field resistance and armature resistance are 30 Ω, 0.03Ω, and 0.05 Ω respectively, determine the e.m.f. generated.

308.5 V
302.5 V
304.5 V
306.5 V

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which of the following is true regarding access lists applied to an interface?

You can apply only one access list on any interface
One access list may be configured, per direction, for each layer 3 protocol configured on an interface
You can place as many access lists as you want on any interface until you run out of memory.
You can apply two access lists to any interface

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MGVCL Exam Paper (30-07-2021 Shift 2)
A 3-phase motor load has a p.f. of 0.397 lagging. The two wattmeter method used to measure power show the input as 30 kW. Find the reading on each wattmeter.

W1 = 10 kW and W2 = 20 kW
W1 = -5 kW and W2 = 35 kW
W1 = 5 kW and W2 = 25 kW
W1 = -10 kW and W2 = 40 kW

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