In a Solar Cell,semiconductors of the P-Type and N-Type Are

question 27

Multiple Choice

In a solar cell,semiconductors of the p-type and n-type are placed in contact with each other via a conducting wire.In order to generate an electric current,which of the following must be true?

• A)An external battery must be attached
• B)Light shining on the system will cause oxidation to occur
• C)Light shining on the system must have enough energy to set electrons in motion from the n-type semiconductors to the p-type
• D)Light shining on the system must have enough energy to set electrons in motion from the p-type semiconductors to the n-type

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Definitions:

Marginal Rate Of Substitution

The rate at which a consumer can give up some amount of one good in exchange for another good while maintaining the same level of utility.

North American Free Trade Agreement

A trade agreement among the United States, Canada, and Mexico to reduce trade barriers and promote economic exchange.

Efficient Equilibrium

A state of balance in a market where resources are allocated in the most efficient way possible, with no room for welfare improvement without making someone else worse off.

Relative Price

The price of one good or service compared to another, usually indicating how much of one can be exchanged for the other.