Lenz's Law Video Lessons

Concept

# Problem: What is the direction of the induced current in the circular loop due to the current shown in each part of Fig. 21-10?

###### FREE Expert Solution

Lenz's law:

The magnetic field due to the induced current in a conductor opposes the change in magnetic flux inducing the current.

Right-hand rule for straight conductors: The thumb points in the direction of the current while fingers curl in the direction of the magnetic field around a conductor.

Right-hand rule for a loop: Fingers curl in the direction of the current. Thumb points in the direction of the magnetic field.

(a)

Using Right-hand rule for straight conductors: An increasing magnetic field is directed into the page through the loop.

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###### Problem Details

What is the direction of the induced current in the circular loop due to the current shown in each part of Fig. 21-10?

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