A Straight Wire of Length Is Oriented East-West and Is

question 24

Multiple Choice

A straight wire of length is oriented east-west and is in a magnetic field B pointing north.The wire is moving downward at a constant speed v.If the resistance of the rod is R,what is the current through the rod?

• A)R/B v
• B)B v/R
• C)B^{2 2}v²/R²
• D)not given

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Definitions:

Zero-Coupon Bond

A Zero-Coupon Bond is a debt security that does not pay interest (coupon) during its life but is issued at a substantial discount to its face value, with the face value being repaid at maturity.

Forward Interest Rate

An interest rate agreed upon for a loan or investment in the future, often derived from the yield curve of current interest rates.

Liquidity Preference Theory

A theory suggesting that investors demand higher yields on securities with longer maturities due to the preference for liquidity and lower risk associated with shorter-term securities.

Short-term Investors

Individuals or entities that hold investments for a brief period, typically less than a year, aiming for quick profits.