In the figure below, a region with a constant magnetic field equal to 0.27 T out
ID: 1549222 • Letter: I
Question
In the figure below, a region with a constant magnetic field equal to 0.27 T out of the page is shown. A single turn, rectangular loop of wire moves into this region with a speed of 19.3 m/s. The dimensions of the loop are a 0.53 m and b 0.27 m. The loop has a resistance of 3.07 Q into the page: While the loop is moving into the region of constant magnetic field, the direction of the induced magnetic field in the loop is You are correct. Previous Tries While the loop is moving into the region of constant magnetic field, the magnitude of the induced EMF is 899 v Submit Answer Incorrect. Tries 1/3 Previous Tries While the loop is moving into the region of constant magnetic field, the magnitude of the magnetic force acting on the loop is 1.287x10-1 N You are correct. Previous Tries to the bottom of the page: While the loop is moving into the region of constant magnetic field, the direction of the magnetic force acting on the loop is: You are correct. Previous TriesExplanation / Answer
When the loop is stationary the the flux through the ring does not change therefore d/dt =0
But when it is moving induced emf = - d/dt
= -d/dt(xlB). (x is the portion of loop inside magnetic field)
= - vaB. (a is the length of rectangle)
= -(19.3*0.53*0.27) = -2.76 Volts
Hope this helps you...