A Metal Rod of Length L Moves with Velocity V,perpendicular

question 70

Multiple Choice

A metal rod of length L moves with velocity v,perpendicular to its length,in a magnetic field B,which is perpendicular to both the rod and its velocity.If the length of the rod is doubled,what happens to the electric field in the rod?

• A) it stays the same
• B) it doubles
• C) it quadruples
• D) it halves
• E) it quarters

---

Definitions:

Required Rate

The minimum return an investor is willing to accept when investing in a project, taking into account the risk level of the investment.

Annual Dividend

The total amount of money paid by a company to its shareholders in the form of dividends over a year.

Gross Domestic Product

A measure of the economic output of a country, calculated as the total value of all goods and services produced within the country's borders in a specific time period.

Market Value

The current price at which an asset or service can be bought or sold, determined by supply and demand.