For the circuit shown below consider is =5 cos(1000t + 10°) A: a) Find the phasors VS, IR, IC and IL. b) Construct the phasor diagram showing Is, IR, Ic and IL and Vs. What is the phase relationship between Is and Vs? is (1) + Us(t) 4 mH 10 92 100 μF

Problem # 5 Consider the sinusoidal voltage and current shown below: v(t) = 170 cos(120zt - 60°) V and i(t) = 60 sin(120xt - 30°) A. Plot v(t) and i(t) and determine if the current is leading or lagging the voltage. Find the Phasor representations of both voltage and current. Determine the rms values of both voltage and current. Determine the apparent power, S, P, Q, pf, and r.f. a) b) c) d)

Consider the sinusoidal voltage: v(t) = 125cos (250πt –25°) V. d.What is the phase angle in radians? e.What is the phase angle in degrees? f. What is the period in milliseconds? g.What is the first time after t = 0 that v(t) = 80 V?