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MGVCL Exam Paper (30-07-2021 Shift 3)

MGVCL Exam Paper (30-07-2021 Shift 3)
Which is the function of Operating System?

Devices Management
Security
Process Management
All of these

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MGVCL Exam Paper (30-07-2021 Shift 3)
The current in the coil of a large electromagnet falls from 6 A to 2 A in 10 ms. The induced emf across the coil is 100 V. Find the self-inductance of the coil.

0.75 H
1.25 H
0.25 H
0.5 H

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Equation of self inductance:
V = Ls*(di/dt)
Ls = V/(di/dt)
= 100/((6 - 2)/(0.01))
= 0.250 H
= 250 mH

MGVCL Exam Paper (30-07-2021 Shift 3)
The magnetizing inrush current in a transformer is rich in the harmonic component.

third
seventh
fifth
second

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2nd harmonics contains - 60 to 55 %
3rd harmonics contains - 40 - 50%

MGVCL Exam Paper (30-07-2021 Shift 3)
સાબરમતી: અમદાવાદ:: મૂસી:

લંડન
ગોવા
વેનિસ
હૈદરાબાદ

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MGVCL Exam Paper (30-07-2021 Shift 3)
Find the word which is correctly spelt from the given options.

Seriuous
Syndrome
Abolishid
Obecity

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MGVCL Exam Paper (30-07-2021 Shift 3)
Rearrange the following to form a meaningful sentence and find the most logical order from the given options.
P: globally, out of which over 200 million
Q: are now in India, and
R: flipkart has 700 million users
S: growing exponentially

RPSQ
RSQP
RPQS
PQRS

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