The Radiation Pattern for an LED

question 7

Multiple Choice

The radiation pattern for an LED

• A)shows how directional the light is.
• B)shows the wavelength of the light.
• C)visually shows the color of the light.
• D)shows the current vs. voltage curve of the LED.

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Definitions:

Direct Materials Quantity Variance

The difference between the expected and actual quantity of materials used in production, multiplied by the standard cost per unit of material.

Actual Costs

The real costs incurred in the production of goods or services, including all expenses such as materials, labor, and overhead.

Standard Costs

Predetermined costs for materials, labor, and overhead used to control actual operating costs and to measure cost variances.

Direct Labor Time Variance

The difference between the actual time spent on production and the standard time expected, multiplied by the direct labor rate.