A Solenoid Is 3

question 43

Multiple Choice

A solenoid is 3.0 cm long and has a radius of 0.50 cm. It is wrapped with 500 turns of wire carrying a current of 2.0 A. The magnetic field at the center of the solenoid is:

• A) 9.9 * 10^-8
• B) 1.3*10^-3
• C) 4.2*10^-2
• D) 16 T
• E) 20 T

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Definitions:

Duration

Measures the sensitivity of a bond's price to changes in interest rates, calculated as a weighted average of the times until the bond's cash flows are received.

Yield To Maturity

The total return anticipated on a bond if the bond is held until its maturity date, including all interest payments and the repayment of principal.

Coupon Rate

The interest rate that a bond issuer will pay to a bondholder, typically expressed as an annual percentage of the bond's face value.

Duration

A measure of the sensitivity of the price of a bond or other debt instrument to a change in interest rates, usually expressed in years.