At a Distance D from a Point Charge Q,the Energy

question 17

Multiple Choice

At a distance d from a point charge Q,the energy density in its electric field is u.If we now go to a distance d/2 from the charge,what is the energy density at the new location?

• A)16u
• B)8u
• C)4u
• D)2u

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Definitions:

Perfectly Competitive

A market structure where many firms offer a homogeneous product, there are no barriers to entry or exit, and every company is a price taker.

Total Cost

The total expense of manufacturing, comprising both constant and fluctuating costs.

Market Price

The cost at which a product or service is made available in the market, dictated by the forces of supply and demand.

Economic Profit

The difference between total revenue and total costs, including both explicit and implicit costs, indicating the profit beyond the normal return on investment.