Parts A, B, C, D, E, F & G (9%) Problem 16: A conducting rod of length L 0.015 m

Question

Parts A, B, C, D, E, F & G

(9%) Problem 16: A conducting rod of length L 0.015 m is lying on a rectangular wire as shown in the figure. A constant magnetic field with magnitude B 0.65 pointing into the paper is in the region. The rod is pulled to the right by an external force, and moves with constant speed v 0.015 m/s. The resistance in the wire is R 160 2. Randomized Variables L 0.015 m B 0.65 T v 5 m/s R 160 2 A 14% Part (a) Express the magnitude of the magnetic flux going through the loop, P, in terms of B, a and L At HOME 4 5 6 1 2 3 vo BACKSPACE Hint Submit I give up! Hints 0% deduction per hint. Hints remaining: 1 Feedback 1% deduction per feedback. A 14% Part (b) Express the change in the magnetic flux, 4p, in terms of B, L v and 4t. A 14% Part (c) Express the magnitude of the average emf induced in the loop, e, in terms of B, L, v A 14% Part (d) Calculate the emf, in volts A 14% Part e Express the current induced in the loop, Lin terms of E and R. 4 select part t (f Calculate the value of I, in amperes A 14% Part (g) What is the direction of the current? Otheexpertta.com Grade Summary Deductions Potential 100% Submissions Attempts remaining: 5 (3% per attempt detailed view

Explanation / Answer

A) magnetic flux = B * a * L

B) change in magnetic flux = B * L * v * delta t

C) average emf induced = B * L * v

D)   emf = 0.65 * 0.015 * 0.015

              = 1.4625 * 10-4 V

E)   current induced = E/R

F) value of I =    1.4625 * 10-4/160

                       = 9.14 * 10-7 A

G) Direction of current = anticlockwise .

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