MGVCL Exam Paper (30-07-2021 Shift 2)
What is the full form of the acronym 'AIDS' in diseases?

Acquire in Deficiency Syndrome
Assert in Dander Syndrome
Acquired Immune Deficiency Syndrome
Amino Intersect Deficiency Syndrome

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MGVCL Exam Paper (30-07-2021 Shift 2)
નીચે માંથી ક્યાં રુઢિપ્રયોગનો અર્થ 'છેતરવું' એવો થાય

દસ મારવો
હથેળીમાં ચાંદ દેખાડવો
આડા ઉતરવું
બે પાંદડે થવું

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MGVCL Exam Paper (30-07-2021 Shift 2)
In circuit breaker, the term MCCB stands for

moulded case circuit breaker
modern closed circuit breaker
miniature compact circuit breaker
miniature case circuit breaker

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MGVCL Exam Paper (30-07-2021 Shift 2)
In the circuit of figure, the switch is closed to position-1 for a long time. At t = 0 the switch position is changed from postion-1 to postion-2. Find an expression for the current i(t).

i(t) = (E/R) cos[1/√(LC)]t A
i(t) = (E/R) sin√(LC) t A
i(t) = (E/R) cos√(LC) t A
i(t) = (E/R) sin[1/√(LC)]t A

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MGVCL Exam Paper (30-07-2021 Shift 2)
In a 3-phase, 4-wire, 400/230 V system, a lamp (L1) of 100 W is connected to one phase and neutral and a lamp (L2) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, then

both 100 W lamp (L1) and 150 W lamp (L2) becomes brighter
100 W lamp (L1) becomes dim and 150 W lamp (L2) becomes brighter
100 W lamp (L1) becomes brighter and 150 W lamp (L2) becomes dim
both 100 W lamp (L1) and 150 W lamp (L2) becomes dim

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