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Electrical EngineeringQ&A LibraryThe voltage across a 100-μF capacitor takes thefollowing values. Calculate the expression for thecurrent through the capacitor in each case.a. vC(t) = 40 cos(20t − π/2) Vb. vC(t) = 20 sin 100t Vc. vC(t) = −60 sin(80t + π/6) Vd. vC(t) = 30 cos(100t + π/4) VQuestion

Asked Feb 22, 2020

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The voltage across a 100-μF capacitor takes the

following values. Calculate the expression for the

current through the capacitor in each case.

a. v_{C}(t) = 40 cos(20t − π/2) V

b. v_{C}(t) = 20 sin 100t V

c. v_{C}(t) = −60 sin(80t + π/6) V

d. v_{C}(t) = 30 cos(100t + π/4) V

Step 1

Given capacitor voltage and value of capacitor is –

Value of current is –

Step 2

Given capacitor voltage and value of capacitor is –

Value of current is –

Step 3

Given capacitor voltage and value of capacitor is –

Value of current is –

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