Suppose an Emf Is Induced in a Loop of Wire

question 67

Multiple Choice

Suppose an emf is induced in a loop of wire by rotating the loop in a magnetic field. If the diameter of the loop were twice as large, how would the induced emf compare?

• A) The induced emf would be 4 times as much.
• B) The induced emf would be twice as much.
• C) There would be no change in the induced emf.
• D) The induced emf would be 6.28 times as much.

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Definitions:

Market Price

The current price at which an asset or service can be bought or sold in a public marketplace.

Incremental Value

The additional value created by undertaking a specific action, beyond the existing value without taking that action.

Market Value

The current price at which an asset or service can be bought or sold in a particular market.