Faraday's Law: the Three Loops of Wire Shown in the Figure

question 30

Multiple Choice

Faraday's law: The three loops of wire shown in the figure are all subject to the same uniform magnetic field that does not vary with time. Loop 1 oscillates back and forth as the bob in a pendulum, loop 2 rotates about a vertical axis, and loop 3 oscillates up and down at the end of a spring. Which loop, or loops, will have an emf induced in them?

• A) loop 1 only
• B) loop 2 only
• C) loop 3 only
• D) loops 1 and 2
• E) loops 2 and 3

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Definitions:

Priority

The order in which rights, obligations, or claims are ranked or considered, often in a legal context.

Default

Failure to fulfill a duty or obligation, typically in the context of financial agreements such as failing to make loan payments.

Obtaining Control

The act of gaining the power or authority to manage or direct something or someone.

Collateral

Assets pledged by a borrower to secure a loan or credit, which the lender may seize if the borrower fails to repay the loan.