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Question A8.13: The voltage applied to a high voltage rectifier is given by ...

The voltage applied to a high voltage rectifier is given by the equation:
ν = 800 sin(314 t)
Determine the voltage when:
(a) t = 1 ms
(b) t = 15 ms.

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We can easily solve this problem by substituting values into the expression.
In case (a):
ν = 800 sin(314 x 0.001) = 800 sin(0.314)
= 800 x 0.3088 = 247 V
In case (b):
ν = 800 sin(314 x 0.015) = 800 sin(4.71)
= 800 x −1 = −800 V

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