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

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MGVCL Exam Paper (30-07-2021 Shift 2)
The wind speed increases with height because of

reduction in the gravitational force
reduction in lift effect of the air
enhancement of drag effect on the earth surface
reduction of drag effect of the earth surface

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

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

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