Problem 2. A circular loop in the plane of the paper lies in a 0.6 T magnetic field pointing into the paper. The loop's radius changes from 6 cm to 20 cm in 2s. What is (a) the direction of the induced current (clockwise or counterclockwise)? (1 point) (b) the magnitude of the average induced emf? (3 points) X X X X X X X X X X X x X X X X X X X X X

Problem 2. A circular loop in the plane of the paper lies in a 0.6 T magnetic field pointing into the paper. The loop's radius changes from 6 cm to 20 cm in 2s. What is (a) the direction of the induced current (clockwise or counterclockwise)? (1 point) (b) the magnitude of the average induced emf? (3 points) X X X X X X X X X X X x X X X X X X X X X

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter25: Electromagnetic Induction

Section: Chapter Questions

Problem 4STP

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Similar questions

A flat, square coil of 20 turns that has sides of length 15.0 cm is rotating in a magnetic field of strength 0.050 T. If tlie maximum emf produced in die coil is 30.0 mV, what is the angular velocity of the coil?
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Suppose a uniform magnetic field is perpendicular to the 81211-in. page of your homework and a rectangular metal loop lies on the page. The loops sides line up with the edges of the page. The magnetic field is changing with time as described by B = 3.75 103 t, where B is in teslas and t is in seconds. a. Is the magnetic field increasing or decreasing? b. Find the magnitude of the emf induced in the loop.
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