7-lööp coil with a diameter of 4 cm; a north-leading bar magnet moves further away from the coil (where the bar mag endicular to the cross section of the coil, and the north pole is closest to the coil as the magnet moves away). The magnetic field value changes from 0.00085 T in 1.1s.
7-lööp coil with a diameter of 4 cm; a north-leading bar magnet moves further away from the coil (where the bar mag endicular to the cross section of the coil, and the north pole is closest to the coil as the magnet moves away). The magnetic field value changes from 0.00085 T in 1.1s.
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Transcribed Image Text:Problem 1: Consider a 17-loop coil with a diameter of 4 cm; a north-leading bar magnet moves further away from the coil (where the bar magnet is
perpendicular to the cross section of the coil, and the north pole is closest to the coil as the magnet moves away). The magnetic field value changes from 0.1
T to 0.00085 T in 1.1 s.
(a) What is the change in flux for the coil?
* (b) What is the induced emf for the coil?
.(c) From the perspective of the magnet (ie., pretend you're the north pole of the magnet and are looking at the front of the solenoid), what is
the direction of the induced current?
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