(10%) Problem 8: A wire, bent into a rectangle with sides a = 0.065 m and b 0.045 m, is in a magnetic field B directed perpendicularly to the face of the wire, as shown. The perpendicular component is a function of time as B(t) = Asin(ot), where A 0.15 T, o = 9 rad/s. In this problem, take the normal vector to the surface of the loop to be parallel to the magnetic field. В Otheexpertta.com E V 25% Part (a) Express the magnetic flux going through the wire, , in terms of a, b, A, o, and t. $ = A sin(cot) a b / Correct! 2 8 25% Part (b) Express the the emf, &, induced in the loop in terms of the derivative of &-- do/d t X Attempts Remain O V 25% Part (c) Find the emf, &, induced in the loop in terms of a, b, A, o, and t. =-A ab co cos(ot) / Correct! 25% Part (d) Calculate the magnitude of the emf at t 7.4s in V. Grade Summary Deductions 396 Petential

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(10%) Problem 8: A wire, bent into a rectangle with sides a = 0.065 m and b = 0.045 m, is in a
magnetic field B directed perpendicularly to the face of the wire, as shown. The perpendicular
component is a function of time as B(t) = Asin(@t), where A = 0.15 T, o = 9 rad/s. In this problem,
take the nomal vector to the surface of the loop to be parallel to the magnetic field.
В
b
Otheexpertta.com
25% Part (a) Express the magnetic flux going through the wire, , in terms of a, b, A, co, and t.
P = A sin(ot) a b
/ Correct!
8 25% Part (b) Express the the emf, &, induced in the loop in terms of the derivative of Ø.
E = - do/d t
X Attempts Remain
25% Part (c) Find the emf, &, induced in the loop in terms of a, b, A, o, and t.
8 = - A ab o cos(ot)
/ Correct!
> 8 25% Part (d) Calculate the magnitude of the emf at t = 7.4 s in V.
Grade Summary
Deductions
396
Rotontia1
0706
Transcribed Image Text:(10%) Problem 8: A wire, bent into a rectangle with sides a = 0.065 m and b = 0.045 m, is in a magnetic field B directed perpendicularly to the face of the wire, as shown. The perpendicular component is a function of time as B(t) = Asin(@t), where A = 0.15 T, o = 9 rad/s. In this problem, take the nomal vector to the surface of the loop to be parallel to the magnetic field. В b Otheexpertta.com 25% Part (a) Express the magnetic flux going through the wire, , in terms of a, b, A, co, and t. P = A sin(ot) a b / Correct! 8 25% Part (b) Express the the emf, &, induced in the loop in terms of the derivative of Ø. E = - do/d t X Attempts Remain 25% Part (c) Find the emf, &, induced in the loop in terms of a, b, A, o, and t. 8 = - A ab o cos(ot) / Correct! > 8 25% Part (d) Calculate the magnitude of the emf at t = 7.4 s in V. Grade Summary Deductions 396 Rotontia1 0706
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