A sinusoidal voltage is given by the expressionv=10 cos (3769.91t−53.13∘) V.Find (a) f in hertz; (b) T in milliseconds; (c) Vm; (d) v(0); (e) ϕ indegrees and radians; (f) the smallest positive value of t at which v=0;and (g) the smallest positive value of t at which dv/dt=0

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter17: Resistive-inductive Series Circuits
Section: Chapter Questions
Problem 2PP: Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the...
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 A sinusoidal voltage is given by the expression
v=10 cos (3769.91t−53.13∘) V.
Find (a) f in hertz; (b) T in milliseconds; (c) Vm; (d) v(0); (e) ϕ in
degrees and radians; (f) the smallest positive value of t at which v=0;
and (g) the smallest positive value of t at which dv/dt=0

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