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Engineering Fundamentals: An Intro...

5th Edition
Saeed Moaveni
Publisher: Cengage Learning
ISBN: 9781305084766

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BuyFindarrow_forward

Engineering Fundamentals: An Intro...

5th Edition
Saeed Moaveni
Publisher: Cengage Learning
ISBN: 9781305084766
Chapter 12.1, Problem 3BYG
Textbook Problem
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Explain what is meant by direct current.

To determine

Explain the meaning of direct current.

Explanation of Solution

Calculation:

The current is the flow of electric charge (electrons), and the flow of electric charge in one direction (it cannot change its direction with respect to time) is known as direct current.

Direct current typical sources are such as:

  • Batteries.
  • Solar cells.
  • Direct current generators, etc…

Refer to Figure 12...

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Chapter 12 Solutions

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
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Ch. 12.2 - Give examples of power ratings for home appliances...Ch. 12.2 - Describe the difference between a parallel and a...Ch. 12.2 - Describe the Ohms Law.Ch. 12.2 - VocabularyState the meaning of the following...Ch. 12.4 - Give examples of the role of motors in our daily...Ch. 12.4 - 2. Explain what is meant by illumination and how...Ch. 12.4 - What are the common types of lighting systems?Ch. 12.4 - Which type of lighting system has the highest CRI?Ch. 12.4 - 5. Which type of lighting system has the highest...Ch. 12.4 - 6. Which type of lighting system has the highest...Ch. 12.4 - Vocabulary—State the meaning of the following...Ch. 12 - How are batteries connected in the following...Ch. 12 - Identify the types of batteries used in the...Ch. 12 - Investigate the size and the material used for...Ch. 12 - Identify examples of motors used in a new...Ch. 12 - What is the current that flows through each of the...Ch. 12 - If a 1500 W hair dryer is connected to a 120 V...Ch. 12 - Refering to Table 12.1, create a table that shows...Ch. 12 - Visit a hardware store and obtain information on...Ch. 12 - Determine the total resistance and the current...Ch. 12 - Determine the total resistance and the current...Ch. 12 - Use Kirchhoffs current law to determine the...Ch. 12 - Obtain a flashlight and a voltmeter. Measure the...Ch. 12 - For Example 12.6, we computed the total current...Ch. 12 - For an automobile battery, investigate what is...Ch. 12 - As you know, a fuse is a safety device that is...Ch. 12 - There are many different types of capacitors,...Ch. 12 - In class, you are given three items: a battery, a...Ch. 12 - According to Sylvania, a light-bulb manufacturer,...Ch. 12 - Calculate the efficacy for the following lights:...Ch. 12 - The Sylvania Super Saver 75 W light uses 20 watts,...

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