A Coil Lies Flat on a Table Top in a Region

question 46

Multiple Choice

A coil lies flat on a table top in a region where the magnetic field vector points straight up. The magnetic field vanishes suddenly. When viewed from above, what is the sense of the induced current in this coil as the field fades?

• A)The induced current flows counterclockwise.
• B)The induced current flows clockwise.
• C)There is no induced current in this coil.
• D)The current flows clockwise initially, and then it flows counterclockwise before stopping.
• E)The current flows counterclockwise initially, and then it flows clockwise before stopping.

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Definitions:

Present Value

The present value of future cash or cash flow amounts, determined using a specific rate of return.

Discount Rate

The rate of interest applied to calculate the current value of future cash flows within the discounted cash flow analysis framework.

Future Sum

Refers to the value of a current asset at a specified date in the future based on an assumed rate of growth or interest.

Mutual Fund

An investment vehicle made up of a pool of funds collected from many investors for the purpose of investing in securities such as stocks, bonds, money market devices, and other assets.