MGVCL Exam Paper (30-07-2021 Shift 2)
Magnetic tape is not practical for applications where data must be quickly recalled because tape is a/an____.

expensive storage medium
None of these
Sequential access medium
Random access medium

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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)
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.

932 mH
730 mH
1270 mH
1135 mH

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