A Current in a Solenoid with N Turns Creates a Magnetic

question 18

Multiple Choice

A current in a solenoid with N turns creates a magnetic field at the center of that loop.The field strength is directly proportional to:

• A)number of turns in the loop.
• B)current strength.
• C)Both choices A and B are valid.
• D)None of the above are valid.

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Definitions:

Annual Interest Expense

The total cost incurred by a borrower in a year for all debts, represented as the interest payments made on any borrowed funds.

Bond Discount

The difference between the face value of a bond and its selling price when the bond is sold for less than its face value.

Premium

The amount paid for an insurance policy, or the amount by which a bond or stock sells above its par or face value.

Straight-Line Method

A method of calculating depreciation by evenly spreading the cost of an asset over its expected useful life.