240_homework_1

# 240_homework_1 - 9. Find i. +-+-+-16 A i 2 V 6 Ω 2 Ω 4...

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ECE 240 – Electrical Engineering Fundamentals Homework #1 1. Find the power delivered to an element at t = 1 ms if the charge entering the positive terminal is q = 10 sin 250 π t mC and the voltage is v = 4 cos 250 π t V. 2. Find the voltage v(t): 4 ( 6 e - 7 ) v(t) t + - + - 7 10 v 5 12 sin 4t v(t) + - 10 cos 3t 8 v(t) + - (a) (b) (c) (d) 3. Find the current i(t): 3 i(t) 6e + - + - 7 i(t) 5 sin t 10 i(t) (a) (b) (c) (d) -2t (10 - 5 cos t) + - 2 - + i(t) cos 2t

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4. Find the power delivered by each source and to each resistor: + - 6 cos 5t 4 10 3 i(t) 5. Find the power delivered by each source and to each resistor: 6. Find the power delivered by each source and to each resistor. + - 2A 1 2 3V 3 + v - 1 i 1 i 1 i 2 i 3 7. A resistor has a voltage v ( t ) = 15 e - 3 t V The charge entering the positive terminal is: q ( t ) = - e - 3 t C Find the value of the resistor, R. 4 5 v(t) sin t cos t 6 e 3t + - - + - +
8. Find v. + - 18 v 6 3 A 4 A 3 + v - 4 2 A 1 A

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Unformatted text preview: 9. Find i. +-+-+-16 A i 2 V 6 Ω 2 Ω 4 Ω 2 A 8 V 2 Ω 6 V 10. Find v and i in the circuit shown below. +-+-4 A 20 V 2 Ω 3 A 6 V 3 Ω 4 Ω + v-i 2 A + v-1- v + 2 + v -3 i 1 i 2 i 3 11. Find the power delivered by each source and the power delivered to each resistor. +-4 V 2 Ω 3 A 1 Ω 12. Find v 1 and v 2 in the circuit shown below. +-4 A 2 Ω 1 Ω 2 A 3 Ω 6 V + v-+ v-2 1 Problems 13 – 14 require the use of PSPICE. Before performing these problems read and try the examples in PSPICE Tutorial #1. 13. Use PSPICE to simulate the circuit of problem 6. Turn in the schematic diagram with the power values displayed. 14. Use PSPICE to simulate the circuit of problem 11. Turn in the schematic diagram with the power values displayed....
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## This note was uploaded on 02/27/2010 for the course ECE 240 taught by Professor Drsharlenekatz during the Spring '10 term at CSU Northridge.

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240_homework_1 - 9. Find i. +-+-+-16 A i 2 V 6 Ω 2 Ω 4...

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