110_1_MidTerm Exam Solutions

# 110_1_MidTerm Exam Solutions - ~110 NAME W l L-=L:c S"...

This preview shows pages 1–3. Sign up to view the full content.

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: ~110 NAME,--,- W ,---- l L--=L :c: S_ "--,- rJ __ CIRCUrT ANALYSIS II A. N, Willson, Jr. February 10, 2011 MID-TERM EXAMINATION Do all work in this exami nation packet. There are f our questions. Each counts 25 points. Good luckl • lAo (10 points) The cirtuillO the left of nodes A and B has a Thevenin impedance Z,/t for which Rrh > 0 and X rh ~ O. The resistor NL is required to have a value that "ill maxi- mize the po,"er that will be delivered to it. 0;) '-r Z th"' Rth + jXth A :: ~ , > ' B < a.) Derive a formula for the required value of Nt as II function ofthe R.,. andX lh components oflhc Thevenin impedance Z'1r b.) lei R,• - 120 and X,h - 50, and use your derived formula \0 find this optimum value of R t . lB. (5 points) Find the Thcvenin cquiyalent circuil + soM V "v for this circuit: Ie. (5 points) The op amp in this circuit is ideal. 1200 JOn Find the steady-state expression for v(I(t), I VI/ = 25cos50,OOOI V 1D. (5 points) When an eight-terminal resistive network N is subjected to various external connections, the results arc as indicated in the figure below. Determine the current I. 80 kn 40kO + 20kO 3A 3A 2A 5V • N 3n 2 N I -5V+ 2A ~2A H' \ , ....", \ - \l..,",.2..l~ .. t"''''~L) \.. t IL; -'l"1Z- .... V "* 'y. -f 1 ~ • ~ I.,) <;=-» <.. It"' "'t RL ) '\. .,<:" )' , , , \ It; ... ~'1T.,~LI~ , L ..... (J-l'"t'-' ttL) ~~T .". LOT tL t 1. fl C .!.) Rl ~ 111"'-... ~-i ':" ~ 1~4;'1.s-' -=-l3 \..= [e l : ,,,..., \ ----...
View Full Document

{[ snackBarMessage ]}

### Page1 / 12

110_1_MidTerm Exam Solutions - ~110 NAME W l L-=L:c S"...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online