L7_cap_induc_circuits

L7_cap_induc_circuits - ESc 102: Introduction to...

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Unformatted text preview: ESc 102: Introduction to Electronics Capacitors and Inductors Transient Response A.R. Harish Department of Electrical Engineering Aug 5 Capacitor to measure the velocity of a projectile Projectile Circuit breaks on impact d 2 L7_cap_induc_circuits Electromechanical Relay If the current needed to operate the relay is 50 mA, what is the relay delay time? t i L 80 mA 3 L7_cap_induc_circuits ms 2 = = RC τ RC Circuit 4 L7_cap_induc_circuits RC Circuit ms 2 = = RC τ 5 [ ] τ t c c c c e v v v t v- + ∞- + ∞ = ) ( ) ( ) ( ) ( ; ) ( ; 1 ) ( = = ∞ + c c v V v 2 1 ) ( t c e t v-- = V e v c 63 . 1 ) 2 ( 2 2 =- =- RC Circuit ms 2 = = RC τ 6 [ ] τ t c c c c e v v v t v- + ∞- + ∞ = ) ( ) ( ) ( ) ( ; 63 . ) ( ; ) ( V v v c c = = ∞ + ( 29 4 2 ; 63 . ) ( 2 2 ≤ ≤ =-- t e t v t c V e v c 23 . 63 . ) 4 ( 2 2 = =- time t is in ms RC Circuit ms 2 = = RC τ 7 t (ms) v c (t) (V) 2 0.63 4 0.23 6 0.72 8 0.265 10 0.73 12 0.269 14 0.731 16 0.269 V min V max t A t B t C v c ( t A ) v c ( t B ) v c ( t C ) RC Circuit – Steady State 8 L7_cap_induc_circuits [ ]...
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This note was uploaded on 12/08/2010 for the course EE ESC102 taught by Professor A.r.harish during the Spring '10 term at IIT Kanpur.

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L7_cap_induc_circuits - ESc 102: Introduction to...

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