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lecture03

# lecture03 - EQ2 Find the equivalent resistance between AB...

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EE 205 Coifman 3-1 More examples A B C v (V) i (A) .008 .006 .004 .002 -.002 -.004 -.006 -.008 -1.0 -.8 -.6 -.4 -.2 .2 .4 .6 .8 1.0 Given a two terminal device with the above current-voltage characteristics, determine the device power when it operates at point A and whether it is absorbing or delivering power. Repeat for B and C.

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EE 205 Coifman 3-2 Equivalent Circuits Two circuits are said to be equivalent if they have identical i-v characteristics at a specified pair of terminals Consider Resistors in Series. .. Rest of the circuit A B R 1 R 2 v 1 v 2 i + - v + - + - Rest of the circuit A B i + - v R EQ =
EE 205 Coifman 3-3 Mnemonics for series resistors R 1 R 2 R 1 R 2 + When in a pinch, think about the extremes. ..

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EE 205 Coifman 3-4 Consider Resistors in Parallel. .. + Rest of the circuit R 1 R 2 i 1 i 2 i B A v - R EQ = + - Rest of the circuit i B A v
EE 205 Coifman 3-5 Mnemonics for parallel resistors, again, when in a pinch, think about the extremes. ..

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EE 205 Coifman 3-6 Examples are the lifeblood of lecture A B C D R 1 R 2 R 3 R EQ1 R

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Unformatted text preview: EQ2 Find the equivalent resistance between AB, repeat for CD EE 205 Coifman 3-7 Now let’s get challenging, find the equivalent resistance for each pair of terminals in the following circuits: B A C R A R B R C C B A R 2 R 1 R 3 EE 205 Coifman 3-8 Circuits are as easy as going from A to B. .. +-Rest of the circuit i B A Rest of the circuit i B A v v + i S v S i R R 1 Circuit A Circuit B R 2 + v R--First, consider the i-v relationships for elements in circuit A v i v i v i Then, consider the i-v relationships for elements in circuit B v i v i v i EE 205 Coifman 3-9 Finally, how do we make A=B? +-Rest of the circuit i B A Rest of the circuit i B A v v + i S v S i R R 1 Circuit A Circuit B R 2 + v R--In other words, Rest of the circuit i B A v One of many equivalent circuits...
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lecture03 - EQ2 Find the equivalent resistance between AB...

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