# 3. (b) A rectangular coil of 20 turns with dimensions 8 cm x 6 cm sides is held perpendicular to the uniform magnetic field, with half the area of the loop in the field, as shown the following figure. The loop contains an ideal battery with emf Ɛ = 1.5 V. The %3D magnitude of the magnetic field varies with time according to B = - 4t2 + 3t +3.0, with B in teslas and tin seconds. (a) Calculate the magnitude and direction of the emf induced around the loop at t 15 sec. (b) Find the net current with appropriate direction in the loop at t 15 sec if the loop has a
# 3. (b) A rectangular coil of 20 turns with dimensions 8 cm x 6 cm sides is held perpendicular to the uniform magnetic field, with half the area of the loop in the field, as shown the following figure. The loop contains an ideal battery with emf Ɛ = 1.5 V. The %3D magnitude of the magnetic field varies with time according to B = - 4t2 + 3t +3.0, with B in teslas and tin seconds. (a) Calculate the magnitude and direction of the emf induced around the loop at t 15 sec. (b) Find the net current with appropriate direction in the loop at t 15 sec if the loop has a
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 28P
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