PM End Date: 4/29/2021 11:00:00 PM (10%) Problem 9: A circular wire loop of radius r= 0.35 m and resistance R = 9.7 Q rotates about a shaft through its diameter at a constant rate of f= 5.3 Hz in a uniform B = 0.34-T magnetic field directed perpendicular to the rotation axis. The plane of the loop is perpendicular to the magnetic field at time t = 0. D A 17% Part (a) Select the correct expression for the time-dependent magnetic flux through the loop. Grade $ = TB cos(2nf)r² + = TB cos( ft)r2 ¢ = 27B cos(27 ft)r2 Deduct Potentia Submis Attemp (20% E detaile 1 O = TB cos(2nft)r O = #B cos(2Tft)r2 = 5TB cos(27 ft)r² Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 09 deduction per feedback. E A 17% Part (b) Find the value of the magnetic flux through the loop, in webers, at time t = 0.114 s. - A 17% Part (c) Select the expression for the time-dependent emf induced in the loop based on the expression you entered in nart (a) R A 179% D.

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PM End Date: 4/29/2021 11:00:00 PM
(10%) Problem 9: A circular wire loop of radius r= 0.35 m and resistance R = 9.7 Q rotates about a shaft through its diameter at a constant
rate of f= 5.3 Hz in a uniform B = 0.34-T magnetic field directed perpendicular to the rotation axis. The plane of the loop is perpendicular to the
magnetic field at time t = 0.
A 17% Part (a) Select the correct expression for the time-dependent magnetic flux through the loop.
Grade
TB cos(27 f)r2
D = TB cos( ft)r2
O = 2nB cos(2nft)r²
Deduct
Potenti
Submis
Attemp
(20%
detaile
O = TB cos(2n ft)r
O = TB cos(27 ft)r²
TB Cos(27 ft)r²
%3D
Submit
Hint
Feedback
I give up!
Hints: 0% deduction per hint. Hints remaining: 1
Feedback: 0% deduction per feedback.
17% Part (b) Find the value of the magnetic flux through the loop, in webers, at time t = 0.114 s.
A 17% Part (c) Select the expression for the time-dependent emf induced in the loop based on the expression you entered in part (a) B.
17% Part (d) Calculate the induced emf in the loop, in volts, at time t = 0.114 s.
A 17% Part (e) Select the expression for the induced current in the loop based on the expression you entered in part (c).
17% Part (f) Find the induced current in the loop, in amperes, at time t = 0.l114 s.
All content e 2021 Fxnert TA ITC
Transcribed Image Text:PM End Date: 4/29/2021 11:00:00 PM (10%) Problem 9: A circular wire loop of radius r= 0.35 m and resistance R = 9.7 Q rotates about a shaft through its diameter at a constant rate of f= 5.3 Hz in a uniform B = 0.34-T magnetic field directed perpendicular to the rotation axis. The plane of the loop is perpendicular to the magnetic field at time t = 0. A 17% Part (a) Select the correct expression for the time-dependent magnetic flux through the loop. Grade TB cos(27 f)r2 D = TB cos( ft)r2 O = 2nB cos(2nft)r² Deduct Potenti Submis Attemp (20% detaile O = TB cos(2n ft)r O = TB cos(27 ft)r² TB Cos(27 ft)r² %3D Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. 17% Part (b) Find the value of the magnetic flux through the loop, in webers, at time t = 0.114 s. A 17% Part (c) Select the expression for the time-dependent emf induced in the loop based on the expression you entered in part (a) B. 17% Part (d) Calculate the induced emf in the loop, in volts, at time t = 0.114 s. A 17% Part (e) Select the expression for the induced current in the loop based on the expression you entered in part (c). 17% Part (f) Find the induced current in the loop, in amperes, at time t = 0.l114 s. All content e 2021 Fxnert TA ITC
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