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The figure (Figure 1) shows voltage and current graphs for a resistor.

The figure (Figure 1) shows voltage and current graphs for a resistor.I found part A , emf frequency = 25 HzPart BWhat is the value of the resistance R? Part CDraw the resistor’s voltage and current phasors at t=15ms.
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Major Spinka DVM

Feb 20, 2025

R = V/i = 10/0.5 = 20Ω V(t) = 10cos50πt = 10cos9000t where 9000t is in degrees because 50π rads/sec * 180°/π radians =9000i(t) = 0.5cos50πt = 0.5cos9000t where 9000t is in degreesAt 15ms V = -7.07 and i = -0.3536A and they are exactly in phase with each other. 9000*15e-3 = 135°... Show More
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