A Point Charge Is Located at the Origin

question 12

Multiple Choice

A point charge is located at the origin. Centered along the x axis is a cylindrical closed surface of radius 10 cm with one end surface located at x = 2 m and the other end surface located at x = 4 m. If the magnitude of the electric flux through the surface at x = 2 m is 4 N ⋅ m²/C, what is the magnitude of the electric flux through the surface at x = 4 m?

• A) 1 N ⋅ m²/C
• B) 2 N ⋅ m²/C
• C) 4 N ⋅ m²/C
• D) 16 N ⋅ m²/C
• E) The correct value is not given.

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Definitions:

Unbiased Forward Rates

Forward exchange rates that are equal to the future spot rates, as predicted by economic theory, free from any speculation or bias.

Spot Exchange Rate

The current market price for exchanging one currency for another for immediate delivery.

Forward Exchange Rate

An agreed exchange rate for a currency to be exchanged at a future date, used in hedging and trading strategies.

Inflation Rates

The rate at which the cost of general goods and services inflates, consequently eroding the power to buy.