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MGVCL Exam Paper (30-07-2021 Shift 2)

MGVCL Exam Paper (30-07-2021 Shift 2)
પાણી : પાણીગ્રહણ :: હસ્ત : ???

વિવાહ
હસ્તમેળાપ
પ્રેમાલાપ
છુટાછેડા

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MGVCL Exam Paper (30-07-2021 Shift 2)
આપને કાઈ મશીન નથી કે અમુક ગોઠવણો પ્રમાણે કાર્ય જ કરીએ. - ઉપરોક્ત વાક્ય જુદાં પાડવા ક્યાં સંયોજકો કાઢવા પડે.

અમુક
કાઈ
કે
જ

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MGVCL Exam Paper (30-07-2021 Shift 2)
Recently, which country has withdrawn the 'Generalized System of Preferences' with India?

Russia
Pakistan
Peru
United States of America

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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____.

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
In a synchronous motor with field under excited, the power factor will be

lagging
unity
zero
leading

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For synchronous motor,
Under excitation - Lagging power factor
Over excitation - Leading power factor

For synchronous generator
Under excitation - Leading power factor
Over excitation - lagging power factor

MGVCL Exam Paper (30-07-2021 Shift 2)
In the RLC series circuit shown in figure, resonance occurs when the value of C is 20 µF. The supply voltages is v(t) = 20 sin (500t) V. Find the value of L.

5 mH
0.2 mH
0.2 H
5 H

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Here,
ω = 500 rad/sec = 2πf.
At Resonance condition,
ωL = 1/(ωC)
L 0.2 H
Also at series resonace
1. fr = 1/[2π√(LC)]
2. PF = 1
3. Maximum current
4. Source voltage = voltage across resistor.

MORE MCQ ON MGVCL Exam Paper (30-07-2021 Shift 2)

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