A Circular Coil Lays Flat on a Horizontal Table in a Region

question 57

Multiple Choice

A circular coil lays flat on a horizontal table in a region where the magnetic field is straight down. The magnetic field is suddenly removed. When viewed from above, what is the direction of the current in the coil as the field is removed?

• A) clockwise
• B) clockwise initially, then counter-clockwise before going to zero
• C) counter-clockwise
• D) There is no induced current.

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Definitions:

Lemonade

A sweetened beverage made from lemon juice, water, and sugar, often consumed as a refreshing drink in hot weather.

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