Just the switch been reopened. (2 points) alter has A long time after the switch
ID: 1774258 • Letter: J
Question
Just the switch been reopened. (2 points) alter has A long time after the switch has been reopened. (2 points) e. 4. A square loop consisting 100 turns of wire, has sides of length 1 .0 mand lies in the x-y plane. The loop has a resistance of 5.0 . A time dependent magnetic field of magnitude B = (8.8t-0.51t)10-T is present through coil in the +z direction. t is measured in seconds. a. What is the direction of the area vector of the square loop of wire? (1 points) b. What is the magnetic flux through the loop of wire as a function of time? (3 points) c. What is the induced emf in the loop of wire as a function of time? (3 points) d. What is the magnitude and direction of the current in the loop of wire at time t-2.0 s? (3 points)Explanation / Answer
along -z direction
---------------------
b)
magnetic flux = N*B*A = N*(8.8t - 0.15t^3)*L^2
mganetic flux = 100*(8.8t - 0.15t^3)*1^2
magnetic flux = 100*(8.8t - 0.15t^3)
=============================
(c)
induced emf = rate of change in flux
emf = 100*(8.8 - 0.15*3*t^2) = 100*(8.8 - 0.45t^2)
===================
d)
induced curretnt i = emf/R
R = resistance
current i = 100*(8.8 - 0.45*2^2)/5 = 140 A
direction = clockwise
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.