A Light Emitting Diode Emits Light When

question 11

Multiple Choice

A light emitting diode emits light when:

• A)electrons are excited from the valence to the conduction band
• B)electrons from the conduction band recombine with holes from the valence band
• C)electrons collide with atoms
• D)electrons are accelerated by the electric field in the depletion region
• E)the junction gets hot

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Definitions:

Macroeconomic Analysis

The examination of the overall economic dynamics, including national income, growth rates, inflation, and unemployment.

Analyst

A professional who studies various aspects of financial data to predict market trends, evaluate investments, and provide recommendations.

Nominal Interest Rate

The stated rate of interest without adjustment for inflation or other factors.

Real Interest Rate

The interest rate adjusted for inflation, reflecting the real cost of borrowing or the real yield on an investment.