A Square Coil of Wire with Side 9

question 19

Multiple Choice

A square coil of wire with side 9.0 cm and 8 turns sits in a uniform magnetic field of 2 T that is perpendicular to the plane of the coil.If an EMF of 0.5 V is induced in the coil when the magnetic field is reversed,find the time taken for the field reversal.

• A)0.26 s
• B)1.0 s
• C)5.8 s
• D)1.6 s
• E)0.52 s

---

Definitions:

Trade or Business

Activities conducted for the purpose of income or profit, engaged in consistently and regularly to qualify as deductible business expenses.

Copyright

Legal protection given to creators of original works, including the right to copy, distribute, and adapt the creation.

Schedule D

A tax form used to report capital gains and losses incurred during a specific year.

Form 4797

A tax form used to report the sale or exchange of business property.