A coil is suspended around an axis which is colinear with the axis of a bar magn

Question

A coil is suspended around an axis which is colinear with the axis of a bar magnet. The coil is connected to a resistor with ends labeled “a” and “b”. The bar magnet moves from right to left with North and South poles labeled as in the figure. Use Lenz’s law to answer the following question concerning the direction of induced currents and magnetic fields.

A coil is suspended around an axis which is colinear with the axis of a bar magnet. The coil is connected to a resistor with ends labeled a and b . The bar magnet moves from right to left with North and South poles labeled as in the figure. Use Lenz?s law to answer the following question concerning the direction of induced currents and magnetic fields. What is the direction of the induced magnetic field in the coil when the bar magnet is moving from right to left? 1. right to left () 3. the induced field is zero tesla

Explanation / Answer

According to lenz's law the induced magnetic field is always in a direction to oppose the change in the magnetic flux through the loop direction of magnetic field : right to left ---------------------------------------------------- direction of induced current from “b” through R to “a”

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