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.

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.