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For e = 6 sin(100πt) volts, what is the instantaneous voltage at t = 2 ms?

A3.53 V
B4.24 V
C0 V
D6.00 V
Answer & Solution
Correct answer: A. 3.53 V
At t = 2 ms the phase is 0.2π rad (36 degrees), so e = 6 sin 36° = 3.53 V.
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