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EL (t) = ee . Part (j) Calculate the numerical value of ɛz at t = 0.01 s in V. EL

EL (t) = ee . Part (j) Calculate the numerical value of ɛz at t = 0.01 s in V. EL

University Physics Volume 2
University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter14: Inductance
Section: Chapter Questions
Problem 66P: The self-inductance and capacitance of an oscillating LC circuit are L = 20 mH and C = 1.0 F ,...
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Problem 4: An RL circuit is shown on the right. L = 3.8 H. R =125 Q. ɛ = 8.5 V. R Part (a) At moment t = 0, lose the switch. Express the current I in the circuit as a function of time in terms of L. R, and ɛ. I(C) = (1-) v Correct! Part (b) Express the inductive time constant, t, in terms of L and R. / Correct! 1= L/R Part (c) Calculate the numerical value of r. / Correct! 7= 0.0304 Part (d) Calculate the numerical value of I at t= 1 s in A. V Correct! 1= 0.068 Part (e) Express the time to, when the current reaches one half of its maximum value, in terms of L and R. to = - LR In(0.5) / Correct! Part (f) Calculate the numerical value of to in s. t0 = 0.021 v Correct! Part (g) What's the direction of the current, clockwise or counterclockwise? / Correct! Clockwise. Part (h) Express the magnitude of the induced emf on the inductor, &7, in terms of L and I. 2L =L( dI/dt ) Correct! Part (i) Express &z as a function of time in terms of e, L, and R. -tR E (t) = ee 1. V Correct! Part (j) Calculate the numerical value of ɛ, at t = 0.01 s in V. EL
Transcribed Image Text:Problem 4: An RL circuit is shown on the right. L = 3.8 H. R =125 Q. ɛ = 8.5 V. R Part (a) At moment t = 0, lose the switch. Express the current I in the circuit as a function of time in terms of L. R, and ɛ. I(C) = (1-) v Correct! Part (b) Express the inductive time constant, t, in terms of L and R. / Correct! 1= L/R Part (c) Calculate the numerical value of r. / Correct! 7= 0.0304 Part (d) Calculate the numerical value of I at t= 1 s in A. V Correct! 1= 0.068 Part (e) Express the time to, when the current reaches one half of its maximum value, in terms of L and R. to = - LR In(0.5) / Correct! Part (f) Calculate the numerical value of to in s. t0 = 0.021 v Correct! Part (g) What's the direction of the current, clockwise or counterclockwise? / Correct! Clockwise. Part (h) Express the magnitude of the induced emf on the inductor, &7, in terms of L and I. 2L =L( dI/dt ) Correct! Part (i) Express &z as a function of time in terms of e, L, and R. -tR E (t) = ee 1. V Correct! Part (j) Calculate the numerical value of ɛ, at t = 0.01 s in V. EL
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