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Evplain the difforonce botwOon AC and D C Curront and use an oxamplo of oach

Evplain the difforonce botwOon AC and D C Curront and use an oxamplo of oach

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Question Prompt:** ***List at least 2 ways generators are powered to create electricity.*** *(Below the prompt is an empty text box for answers)* --- This prompt encourages students to think about the different methods used to power generators to produce electricity. Examples might include: - Coal - Natural gas - Nuclear energy - Hydro power - Wind power Students should be able to write their answers in the provided text box.
Transcribed Image Text:**Question Prompt:** ***List at least 2 ways generators are powered to create electricity.*** *(Below the prompt is an empty text box for answers)* --- This prompt encourages students to think about the different methods used to power generators to produce electricity. Examples might include: - Coal - Natural gas - Nuclear energy - Hydro power - Wind power Students should be able to write their answers in the provided text box.
### Understanding AC and DC Current Electric current is the flow of electric charge and is classified into two types: Alternating Current (AC) and Direct Current (DC). Both types of current are critical in different applications and have distinct characteristics. #### Alternating Current (AC) **Definition:** AC current reverses its direction periodically. In most household and commercial buildings, electricity is supplied in the form of AC. **Behavior:** AC current changes its magnitude continuously with time and alternates between positive and negative values. This variation can typically be illustrated through a sine wave. **Example:** A common example of AC current is the electricity that powers our home appliances, such as televisions and refrigerators. In most countries, AC voltage from outlets is around 110-240 volts depending on the region. **Graphical Representation:** A sine wave is usually used to represent AC current, where the x-axis represents time and the y-axis represents the current or voltage. The wave oscillates above and below the x-axis, indicating the periodic reversal of polarity. #### Direct Current (DC) **Definition:** DC current flows in a single direction with a constant magnitude. It does not switch direction like AC current. **Behavior:** DC current is steady and consistent over time, providing a constant voltage. **Example:** A prime example of DC current is the electricity supplied by batteries. Devices such as flashlights, smartphones, and laptops use DC current to operate. **Graphical Representation:** In graphs, DC current is represented by a straight line parallel to the x-axis, indicating a constant flow of current over time. By understanding these differences, one can appreciate the specific applications and advantages of each type of current.
Transcribed Image Text:### Understanding AC and DC Current Electric current is the flow of electric charge and is classified into two types: Alternating Current (AC) and Direct Current (DC). Both types of current are critical in different applications and have distinct characteristics. #### Alternating Current (AC) **Definition:** AC current reverses its direction periodically. In most household and commercial buildings, electricity is supplied in the form of AC. **Behavior:** AC current changes its magnitude continuously with time and alternates between positive and negative values. This variation can typically be illustrated through a sine wave. **Example:** A common example of AC current is the electricity that powers our home appliances, such as televisions and refrigerators. In most countries, AC voltage from outlets is around 110-240 volts depending on the region. **Graphical Representation:** A sine wave is usually used to represent AC current, where the x-axis represents time and the y-axis represents the current or voltage. The wave oscillates above and below the x-axis, indicating the periodic reversal of polarity. #### Direct Current (DC) **Definition:** DC current flows in a single direction with a constant magnitude. It does not switch direction like AC current. **Behavior:** DC current is steady and consistent over time, providing a constant voltage. **Example:** A prime example of DC current is the electricity supplied by batteries. Devices such as flashlights, smartphones, and laptops use DC current to operate. **Graphical Representation:** In graphs, DC current is represented by a straight line parallel to the x-axis, indicating a constant flow of current over time. By understanding these differences, one can appreciate the specific applications and advantages of each type of current.
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