Problem 7: A square loop of side length a =3.1 cm is placed a distance b = 0.95 cm from a long wire carrying a current that varies with time at a constant rate, i.e I(t)-Qt, where Q-3.1 A/s is a constant g this Account. Part (a) Find an expression for the magnetic field due to the wire as a function of time t at a distance r from the wire, in terms of a, b, Q, t, r, and fundamental constants. LHo HOM 4 5 6 BACKSPACE CLEAR Submit Hint I give up! Hints:-1%, deduction per hint. Hints remaining: 2 Feedback: 1%, deduction per feedback. Part (b) What is the magnitude of the flux through the loop? Select the correct expression J Correct! Part (c) If the loop has a resistance of 2.5 Ω, how much induced current flows in the loop:

Problem 7: A square loop of side length a =3.1 cm is placed a distance b = 0.95 cm from a long wire carrying a current that varies with time at a constant rate, i.e I(t)-Qt, where Q-3.1 A/s is a constant g this Account. Part (a) Find an expression for the magnetic field due to the wire as a function of time t at a distance r from the wire, in terms of a, b, Q, t, r, and fundamental constants. LHo HOM 4 5 6 BACKSPACE CLEAR Submit Hint I give up! Hints:-1%, deduction per hint. Hints remaining: 2 Feedback: 1%, deduction per feedback. Part (b) What is the magnitude of the flux through the loop? Select the correct expression J Correct! Part (c) If the loop has a resistance of 2.5 Ω, how much induced current flows in the loop:

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter31: Gauss’s Law For Magnetism And Ampère’s Law

Section: Chapter Questions

Problem 65PQ

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Question

Only need answers for part a and part c.

Problem 7:
A square loop of side length a =3.1 cm is placed a distance b = 0.95 cm from a long
wire carrying a current that varies with time at a constant rate, i.e
I(t)-Qt,
where Q-3.1 A/s is a constant
g this
Account.
Part (a) Find an expression for the magnetic field due to the wire as a function of
time t at a distance r from the wire, in terms of a, b, Q, t, r, and fundamental constants.
LHo
HOM
4 5 6
BACKSPACE
CLEAR
Submit
Hint
I give up!
Hints:-1%, deduction per hint. Hints remaining: 2
Feedback: 1%, deduction per feedback.
Part (b) What is the magnitude of the flux through the loop? Select the correct
expression
J Correct!
Part (c) If the loop has a resistance of 2.5 Ω, how much induced current flows in the
loop:

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