A single conducting loop with an area of 2.0 m² rotates in a uniform magnetic field so that the induced emf has a sinusoidal time dependence as shown. 7.5 V Determine the strength of the magnetic (a) 0.5 T (c) 3.0 T (b) 2.4 T (d) 7.5 T With what angular frequency does the loop rotate? (a) 0.16 rad/s (c) 0.52 rad/s (b) 0.30 rad/s Emf -7.5 V What is the period of the induced current? (a) 1.25 s (c) 3.75 s (b) 2.50 s (d) 5.00 s (d) 0.80 rad/s 1.25 field in which the loop rotates. 3.75 6.25 8.75 11.25 (e) 18.8 T 13.75 (e) 1.26 rad/s (e) 6.25 s t (s)

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter32: Faraday’s Law Of Induction
Section: Chapter Questions
Problem 23PQ: A square loop with side length L, mass M, and resistance R lies in the xy plane. A magnetic field B...
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How do you solve this question? The first question's answer is c) 3.0 T but I can't seem to get the right answer if I attempt use the equation emf = (BA)/t. Is t 1.25, 5, or something else?

A single conducting loop with an area
of 2.0 m² rotates in a uniform magnetic
field so that the induced emf has a
sinusoidal time dependence as shown.
Determine the strength of the magnetic
(a) 0.5 T
(b) 2.4 T
(c)
(d) 7.5 T
Emf₁
7.5 V
(b) 0.30 rad/s
What is the period of the induced current?
(a) 1.25 s
(c) 3.75 s
(b) 2.50 s
(d) 5.00 s
3.75
8.75
AAA
1.25
6.25
11.25
svt
field in which the loop rotates.
3.0 T
With what angular frequency does the loop rotate?
(a) 0.16 rad/s
(c) 0.52 rad/s
(d) 0.80 rad/s
-7.5 V
(e) 18.8 T
13.75
(e) 1.26 rad/s
(e) 6.25 s
t (s)
Transcribed Image Text:A single conducting loop with an area of 2.0 m² rotates in a uniform magnetic field so that the induced emf has a sinusoidal time dependence as shown. Determine the strength of the magnetic (a) 0.5 T (b) 2.4 T (c) (d) 7.5 T Emf₁ 7.5 V (b) 0.30 rad/s What is the period of the induced current? (a) 1.25 s (c) 3.75 s (b) 2.50 s (d) 5.00 s 3.75 8.75 AAA 1.25 6.25 11.25 svt field in which the loop rotates. 3.0 T With what angular frequency does the loop rotate? (a) 0.16 rad/s (c) 0.52 rad/s (d) 0.80 rad/s -7.5 V (e) 18.8 T 13.75 (e) 1.26 rad/s (e) 6.25 s t (s)
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