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An alternating voltage is triangular in shape, rising at a constant rate to a maximumof 300V in 8ms and then falling to zero at a constant rate in 4ms.
The negative half cycle is identical in shape to the positive half cycle.
Calculate (a) the mean voltage over half a cycle, and
(b) the r.m.s. voltage
Describe the numerical aperture in the optical fibre. Numerical Aperture: The numerical aperture is described as the sine of the acceptance angle. Therefore, Numerical
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when to identical cells are connected either in series or parallel across a 2 ohm resistor they send the same current through it calculate the internal resistance of each cell?
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how to derive the formullar n=[(sin(A+D)/2)/(SIN (A/2))
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