MGVCL Exam Paper (30-07-2021 Shift 2)
A MOSFET rated for 15 A, carries a periodic current as shown in figure. The ON state resistance of the MOSFET is 0.15 Ω. The average ON state loss in the MOSFET is

7.5 W
15 W
3.8 W
33.8 W

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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
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
One access list may be configured, per direction, for each layer 3 protocol configured on an interface

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MGVCL Exam Paper (30-07-2021 Shift 2)
A generating station having 'n' section busbars each rated at Q kVA with ×% reactance is connected on the tie-bars systems through busbar reactances of b%. Determine the short circuit kVA if a 3-phase fault takes place on one section.

Q[(1/x) + (n+1)/(bn-x)]
Q[(1/x) - (n+1)/(bn-x)]
Q[(1/x) + (n-1)/(bn+x)]
Q[(1/x) + (n+1)/(bn+x)]

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MGVCL Exam Paper (30-07-2021 Shift 2)
In a test by Murray loop for ground fault on 600 m of cable having a resistance of 1.5 Ω/km, the faulty cable is looped with a sound cable of the same length and area of cross section. If the ratio of the other two arms of the testing network at balance is 3 : 1, find the distance of the fault from the testing end of cables.

200 m
400 m
100 m
300 m

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