Chap3_exercise

Chap3_exercise - 3 - 3 --------- U Z...

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Unformatted text preview: 3 - 3 --------- U Z - 6V ------ R 3 ------- 3V -- R X -- A 1 - + - R X 100K 10K 6V +12V 1M 1K V -- - : ---------- 5 . 6 3 R R A 1 i o u = = = = = = x f u u = = Ω = × = K 50 5 . R R 1 x 3 - 4 -- u i1 - u i2 ------------ A 1 - + - u o R 1 u i1 u i2 R 2 R 1 R 1 u i2 t 3 u i1 t u o t u O = -- u i1 +u i2 - - 3 - 3 3 3 - 5 -- u i1 - 0.5V - u i2 -- 2V - u i3 - 1V ------------- u o - R 3 - A 1 - + - u i1 A 2 - - u o - u i2 60KΩ u o1 30KΩ 100KΩ 50KΩ 20KΩ - : ] ) 2 ( 50 100 5 . 20 100 [ u 1 = × + ×- = A 1 ------- A 2 ------ V 5 . 1 = 39KΩ 39KΩ u i3 R 3 2 u ) 30 60 1 ( u i3 ⋅ + = u 30 60 O1- V 5 . 1 = = Ω = K 5 . 12 20 // 50 // 100 R 3 = 3 - 6 - i L - u i ----- ∞ - - u O - u i R R 1 i L R L L i i u u u ⋅ = = = + R 1 = R 1 1 = i L u i A. u +为为为为 B. u 为≠ ui C. iL= uO为(RL+R1) D. i 为为 u为为R1 ∞ - - u O - U i R L I L R 1 - - ) R R ( I L 1 L + = = =- + o u u u L L R I ⋅ + =- i U u R 1 1 = i L U I 3 - 7 ----- T -------- R 2 - R 3 - R 4 - 4R 1 ------------ -- ∞ - - u o - u i i 2 i 1 R 1 R R 2 R 3 R 4 i 4 i 3 M R R u i R u 1 i 2 2 2 M ⋅- =- = ∴ i R R u R R R R u i 1 3 2 i 3 1 2 3 M 3 ⋅ = ⋅ =- = ) i i ( R i R u u u 3 2 4 2 2 o 4 R M +-- = + = i R i ) R R ( 3 4 2 4 2- +- = R u R R R R u ) R R ( 1 i 3 2 4 1 i 4 2 ⋅- +- = u + ≈ u - ≈ 0 ----- ∵ i - ≈ i + - 0 ∴ i 1 - i 2 = u i - R 1 - : 12 ) R R // R 1 ( R R R u u 3 4 2 1 4 2 i == + +- = 3 - 8 --------- A u ----- ∞ - - u O - 10K 20K u i RP - : u ) 10 20 1 ( u i + = u 10 20 i- i u = ------- --------- i i u 2 u 10 20 u = = = = --------------- Au ----- 2~ 1 3 - 9 --------- u O - u i --- ∞ - - u O - u i S - : u ) 2 R R 1 ( u i = + = u R R i- i 2u = S -------- 2 u ) 2 R R 1 ( u i ⋅ + = = u R R i- i u 5 . = S --------- 3 - 10...
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This note was uploaded on 10/11/2011 for the course ME 100292 taught by Professor Zhang during the Winter '10 term at Tongji.

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Chap3_exercise - 3 - 3 --------- U Z...

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