9:38 clockwise counterclockwise No current is induced. Need Help? Read It 13. [-/1 Points] DETAILS SERCP11 20.2.OP.010. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The figure below shows a flexible loop of metal wire with a radius of 15.0 cm. It lies in a magnetic field pointing into the page with a magnitude of 0.120 T. A lab TA grabs the loop at points A and B and rapidly pulls in opposite directions until the loop folds up, such that its area becomes zero. The change in area occurs in a span of 0.200 s. B What is the average induced emf (in mV) in the loop over this time span? mV Need Help? Read It 14. [-/2 Points] DETAILS SERCP11 20.2.OP.015. MY NOTES ASK YOUR TEACHER The figure below shows a bar magnet positioned near a coil of wire, with the north pole closest to the left side. The wire is connected to a resistor oriented parallel to the axis of the coil. R (a) What is the direction of the current through the resistor when the magnet is moved to the left as shown? O The current is to the left through the resistor. The current is to the right through the resistor. O No current is induced. (b) If instead the magnet (still in the same orientation) was moved to the right, what would be the direction of the current through the resistor? The current is to the left through the resistor. The current is to the right through the resistor. No current is induced. Need Help? Read It 15. [-/3 Points] DETAILS SERCP11 20.2.OP.016. MY NOTES ASK YOUR TEACHER The figure below shows two coils of wire, aligned coaxially. The coil at left is connected to a battery and a switch, initially open. The coil on the right is connected to a resistor, which is oriented parallel to the coil axis. R webassign.net