ch30-p055 - 55. (a) If the battery is switched into the...

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t L R L == = × × 1609 1609 6 30 10 120 10 845 10 6 3 9 . .. ( . . . τ H) s. (b) At t = 1.0 L the current in the circuit is () 1.0 1.0 3 3 14.0V 1 (1 ) 7.37 10 A . 1.20 10 ie e R ε −− ⎛⎞ =− = ⎜⎟ ×Ω ⎝⎠ 55. (a) If the battery is switched into the circuit at t = 0, then the current at a later time t is given by i R e t L 1 / , ch where L = L
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