A Flat Square Coil of Wire with 15 Turns and an Area

question 23

Multiple Choice

A flat square coil of wire with 15 turns and an area of 0.40 m² is placed with the plane of its area parallel to a 0.75-T $\vec { B }$ field.The coil is flipped so its plane is perpendicular to the $\vec { B }$ field in a time of 0.050 s.What is the magnitude of the average induced emf in the coil?

• A)6.0 V
• B)36 V
• C)45 V
• D)90 V

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Definitions:

Journal

A chronological record of all financial transactions, used to transfer information to the general ledger in the accounting process.

Journal Entries

Records of financial transactions in the accounting system, ensuring that the debit and credit balance.

Debit

A financial record that leads to a rise in assets or a reduction in liabilities on the balance sheet of a company.

Credit Accounts

Accounts within financial accounting that are increased with a credit entry, carrying a balance that could be beneficial (revenue, gains) or detrimental (liabilities, expenses).