Quiz #1 Solution

# Quiz #1 Solution - ECE-231 Section 101 Fall 2010 Quiz #1...

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ECE-231 Section 101 Fall 2010 Quiz #1 September 21, 2010 Solution Set

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Problem #1 (solution a) 35 i2 node e 12 volts i3 node b - + 20 25 node a i4 100 node c Use Kirchhoff’s laws and Ohm’s law to produce a set of equations that could be solved , using algebra, to correctly determine the actual value of V - + i1 V a) KVL: 25 x i1 + 20 x i2 - 12V = 0 b) KVL: 35 x i3 + 100 x i4 - 20 x i2 = 0 c) KVL: V - 100 x i4 =0; e) Ohm’s Law: Vbe = 20 x i2 f) KCL: i1 - i2 - i3 = 0 Controlled voltage source: d) V= 2 x Vbe
35 i2 12 volts i3 node b - + 20 25 node a i4 100 node c Controlled voltage source: d) V= 2 x Vbe Use Kirchhoff’s laws and Ohm’s law to produce a set of equations that could be solved , using algebra, to correctly determine the actual value of V - + i1 V a) KVL: 25 x i1 + 20 x i2 - 12V = 0 b) KCL: i1 - i2 - i3 =0 c) KVL: 35 x i3 + V - 20 x i2 =0 e) Ohm’s law: Vbe = 20 x i2 [ 5 equations,

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## This note was uploaded on 03/26/2012 for the course ECE 231 taught by Professor Pietrucha during the Spring '08 term at NJIT.

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Quiz #1 Solution - ECE-231 Section 101 Fall 2010 Quiz #1...

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