Problem 2 Find V (t) for all time t. 4 V HE ΖΩ 115 HH F t = 0 t=0 7 2 H + VR www 202

1. Graph the following complex numbers and convert in the specified form a. 5-j7 to exponential form b. 5 cjs (-45°) to rectangular form C. -2-j3 to polar form d. 32-45° to exponential form of complex numbers, (10pts each)

The figure below shows a simple RC circuit with a 3.30-μF capacitor, a 4.40-M resistor, a 9.00-V emf, and a switch. What are the following exactly 9.00 s after the switch is closed? (a) the charge on the capacitor 13.7204 UC (b) the current in the resistor 0.0110522 x Your response is off by a multiple of ten. HA (c) the rate at which the capacitor is storing energy μW (d) the rate at which the battery is delivering energy μW

The inductor current in the circuit is given by 5 – 3e-4t A. Determine v240(t) for t > 0. Answer: 120 – 24e-4t v +V242 – 242 D10A 242 242. 4H