{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

HW2.E40.Aut11

# HW2.E40.Aut11 - R t in Ohms 3 Satellite solar power...

This preview shows pages 1–2. Sign up to view the full content.

E40 Autumn 2011 Homework 2 Due 5:00 pm, Wednesday, October 12, 2010 Please write your Name and Lab Section Time on the front page. 1. Solving circuits using Kirchhoff’s Current Law. a) Apply Kirchhoff’s current law at node a. b) Apply Kirchhoff’s current law at node b. c) Apply Kirchhoff’s current law at node c. d) If we choose node c as the reference node, find the voltages V a and V b . e) If we choose node b as the reference node, find the voltages V a and V c . f) What is the power received or delivered by the 2mA current source, in mW? 2. Circuit with a dependent source. a) Apply Kirchhoff’s current law at node a, by summing the currents entering the node. You should have v t , i t and v x in the resulting equation. b) Find the ratio of v t to i t , which is defined as the resistance

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: R t , in Ohms. 3. Satellite solar power system. (a) The 0.5 Ω cable and 1 Ω frame resistances model the losses (power dissipation) in these parts of the circuit. Find the current I s in Amps drawn from the solar cells, which are modeled by a 100 V ideal voltage source in series with a 1.5 Ω resistor. (b) Find the current I 2 in Amps through the 10 Ω rightmost branch, which models one of the appliances. (c) A 75 V battery is switched into the circuit (see below) for backing up the solar cells when the satellite is in the earth’s shadow. Find the power delivered by the 75 V battery. Note : when the solar cells are not illuminated, they should be replaced by an open circuit. 4. U&M 2.29 5. U&M 2.32. Use V out / V s = 15...
View Full Document

{[ snackBarMessage ]}

### Page1 / 2

HW2.E40.Aut11 - R t in Ohms 3 Satellite solar power...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online