Problem 2: A circular wire loop of radius r= 0.055 m and resistance R-9.1 Ω rotates about a shaft through its diameter at a constant rate off= 11.6 Hz in a uniform B 0.42-T magnetic field directed perpendicular to the rotation axis. The plane of the loop is perpendicular to the magnetic field at time t 0 of Service. copying this information to any solutions sharing Part (a) Select the correct expression for the time-dependent magnetic flux through the loop Correct! Part (b) Find the value of the magnetic flux through the loop, in Webers, at time t = 4.3 s ▲ cos0) cotanasi acos0 tan() sin 4 5 6 acotansin atan()a cosh t cotanhO 0 O Degrees O Radians BACKSPACE Hint Submit I give up! Hints: 1% deduction per hint. Hints remaining:1 Feedback: 1% deduction per feedback. Part (c) Select the expression for the time-dependent emf induced in the loop based on the expression you entered in part (a).lB fBsin(2mft) V Correct! Part (d) Calculate the induced emf in the loop, in volts, at time t-4.3 s Part (e) Select the expression for the induced current in the loop based on the expression you entered in part (c) Correct! Part (f) Find the induced current in the loop, in amperes, at time t- 4.3 s S.

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Chapter1: Units, Trigonometry. And Vectors
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Problem 2:
A circular wire loop of radius r= 0.055 m and resistance R-9.1 Ω rotates about a shaft through its diameter at a
constant rate off= 11.6 Hz in a uniform B 0.42-T magnetic field directed perpendicular to the rotation axis. The plane of the loop is
perpendicular to the magnetic field at time t 0
of Service. copying this information to any solutions sharing
Part (a) Select the correct expression for the time-dependent magnetic flux through the
loop
Correct!
Part (b) Find the value of the magnetic flux through the loop, in Webers, at time t = 4.3 s
▲
cos0)
cotanasi acos0
tan()
sin
4 5 6
acotansin
atan()a
cosh t
cotanhO
0
O Degrees O Radians
BACKSPACE
Hint
Submit
I give up!
Hints: 1% deduction per hint. Hints remaining:1
Feedback: 1% deduction per feedback.
Part (c) Select the expression for the time-dependent emf induced in the loop based on
the expression you entered in part (a).lB
fBsin(2mft) V Correct!
Part (d) Calculate the induced emf in the loop, in volts, at time t-4.3 s
Part (e) Select the expression for the induced current in the loop based on the expression
you entered in part (c)
Correct!
Part (f) Find the induced current in the loop, in amperes, at time t-
4.3 s
S.
Transcribed Image Text:Problem 2: A circular wire loop of radius r= 0.055 m and resistance R-9.1 Ω rotates about a shaft through its diameter at a constant rate off= 11.6 Hz in a uniform B 0.42-T magnetic field directed perpendicular to the rotation axis. The plane of the loop is perpendicular to the magnetic field at time t 0 of Service. copying this information to any solutions sharing Part (a) Select the correct expression for the time-dependent magnetic flux through the loop Correct! Part (b) Find the value of the magnetic flux through the loop, in Webers, at time t = 4.3 s ▲ cos0) cotanasi acos0 tan() sin 4 5 6 acotansin atan()a cosh t cotanhO 0 O Degrees O Radians BACKSPACE Hint Submit I give up! Hints: 1% deduction per hint. Hints remaining:1 Feedback: 1% deduction per feedback. Part (c) Select the expression for the time-dependent emf induced in the loop based on the expression you entered in part (a).lB fBsin(2mft) V Correct! Part (d) Calculate the induced emf in the loop, in volts, at time t-4.3 s Part (e) Select the expression for the induced current in the loop based on the expression you entered in part (c) Correct! Part (f) Find the induced current in the loop, in amperes, at time t- 4.3 s S.
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