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Physics problems: magnetism

Lenz's Law

 

 

Problem 26.

There is a clockwise induced current in the conducting loop shown in the figure. Is the magnetic field inside the loop increasing or decreasing in strength?

 

magnetic flux

Solution

 

Problem 27.

There is a counterclockwise induced current in the conducting loop shown in the figure. Is the magnetic field inside the loop increasing or decreasing in strength?

 

magnetic flux

Solution

 

Problem 28.

There is a counterclockwise induced current in the conducting loop shown in the figure. Is the magnetic field inside the loop increasing or decreasing in strength?

 

magnetic flux

Solution

 

Problem 29.

The magnitude of the magnetic field shown in the figure increases with time. What is the direction of current in the loop?

 

magnetic flux

Solution

 

Problem 30.

The magnitude of the magnetic field shown in the figure increases with time. What is the direction of current in the loop?

 

magnetic flux

Solution

 

 

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