Answer
See explanation.
Work Step by Step
The change in magnetic flux induces an emf.
a. $$|\epsilon|=|\frac{d \Phi_B}{dt}|=\frac{d}{dt}(A(B_0+bx))=bA\frac{dx}{dt}=bAv$$
b. Clockwise
c. The emf is the same, but the current is counterclockwise.
University Physics with Modern Physics (14th Edition)
by Young, Hugh D.; Freedman, Roger A.
Published by
Pearson
ISBN 10:
0321973615
ISBN 13:
978-0-32197-361-0
Chapter 29 - Electromagnetic Induction - Problems - Exercises - Page 982: 29.11
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