EECE 519 Homework 2 (Due Thursday, January 31) 1. Find the current I1 in the circuit.
5A R1 I1 + Vs - -+ 2A 4A
3A
I1 = -2A 2. In the circuit shown below V = 8V1 and the power supplied by V is 8mW. Find V1 , V, and R.
2k V
4k + V - 1 R 8k
V1 = V
EECE 519 Homework 1 (Due Thursday, January 24) 1. When a car has a dead battery, it can be started by connecting the battery from another car across its terminals as shown in the Figure below. If the current I = -50A, which car has the dead battery?
Sour-r}ov
Problem I (35 points). The rigid bar AD is supported two steelwires of l/16-inch by (E psi) anda pin at A. diameter : 29 x 106 Knowing that the wires were initially taut, determine: a) the additionaltensionin eachwire when a 220-lbloadP is
a
' w / CE533 Quiz #1 1/25/08 Name: I k
Problem I
Given the following loading, convert the distributed loads into m statically-equivalent resultant load.
1) What is the magnitude of the concentrated resultant load? \
{5 [Law/!» é H> # (gum/
Problem 1 135 Points} Two solid steel shafts (G = 77.2 GPa)
are connected to a coupling disk B and to xed sumports at A
and C, For the loading shown, determine:
a) the reaction a Support A
b) the reaction at support C
c) the maximum shearing stress in
EECE 519 Homework #4 (Due Thursday, February 28) 1. Find the equivalent capacitance. 50F 60F 70F 20F 120F 50F and 70F in parallel = 50+70 = 120F , 60F and 120F in series = (60)(120) = 40F 60+120 40F and 20F in series = 40+20 = 60F 120(60) 120F and 60