Consider the circuit shoe What is the instantaneous current at point P immediate

Question

Consider the circuit shoe What is the instantaneous current at point P immediately after the switch is closed? Ip(0)= epsilon L/2R Ip(0)= epsilon/R Ip(0)= epsilon/2R Ip(0)=0 Ip(0)= 4 epsilon/R Ip(0)2 epsilon/R Ip(0)= 8 epsilon/R Ip(0)=16 epsilon/R Ip(0)=3epsilon/R Ip(0)= epsilon/RL When the switch has been closed for a long time, what is the energy stored in the inductor? UL=L epsilon Lepsilon /8R UL=L epsilon/16R UL=L epsilon 2/2R2 UL= L epsilon/3R UL=L epsilon3/4R2 Ul=LR2/2 epsilon 2 UL=LR2/2 epsilon 2 UL= epsilon 2 R2/4L UL=epsilon2R2/4L UL=L epsilon 2R UL=L epsilon/2R UL =Lepsilon/32 R After the switch has been closed for a long time, it is opened at time t = 0. Which of the following graphs best repre¬sents the subsequent current I at point V as a function of time t?

Explanation / Answer

Q1) 4) Ip(0) = 0

Q2) 3) UL = L*e^2/(2*R^2)

Q4) 4th figure

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