The Purpose of a Diode in an X-Ray Circuit Is

question 23

Multiple Choice

The purpose of a diode in an x-ray circuit is to:

• A) vary the kilovoltage.
• B) vary the milliamperage.
• C) electrically convert A-C to D-C.
• D) increase the 60 Hz frequency to 6,000 Hz.

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Definitions:

Capital Market Line

A line used in the Capital Asset Pricing Model to illustrate the rates of return for efficient portfolios subject to the risk (measured by standard deviation) compared to the risk-free rate of return.

Efficient Frontier

Efficient Frontier is a concept in modern portfolio theory that refers to a set of investment portfolios that offer the highest expected return for a given level of risk.

Standard Deviation

A measure of the dispersion or variability of a set of data points or investment returns around the mean.

Covariance

A measure indicating the degree to which two variables move in relation to each other.