A conventional current I runs a coil in the direction shown below. A single loop

Question

A conventional current I runs a coil in the direction shown below. A single loop of cooper wire is near the coil. The loop and the coil are stationary. Next, the power supply is adjust so the current in the coil decreases with time.

a) What is the direction of dB/dt at the center of the copper loop?

b) What is the direction of –dB/dt at the center of the cooper loop?

c) What is the direction of the non-Coulomb electric field at location P in the cooper wire?

d) At this moment, is the magnitude of the magnetic flux inside the cooper loop increasing, decreasing, or staying the same?

Explanation / Answer

BY right hand thumb rule,

a) - Z direction

b) + Z direction

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