Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 12, Problem 13RQ
If the resistance in a 120-V circuit was 40 Ω, what would the current be in amperes?
A. 4800A
B. 48A
C. 4A
D. 3A
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Chapter 12 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 12 - The __________is that part of an atom that moves...Ch. 12 - When this part of an atom moves to another atom,...Ch. 12 - State the differences between AC and DC.Ch. 12 - Describe how a meter would be connected in a...Ch. 12 - Describe how an amperage reading would be taken...Ch. 12 - Describe how the total resistance in a series...Ch. 12 - Ohm's law for determining voltage is _______.Ch. 12 - Ohm's law for determining amperage is_________.Ch. 12 - Ohm's law for determining resistance is_______.Ch. 12 - Prob. 10RQ
Ch. 12 - Describe the characteristics of the voltage,...Ch. 12 - If there were a current flowing of 5A in a 120-V...Ch. 12 - If the resistance in a 120-V circuit was 40 , what...Ch. 12 - Electrical power is measured in A. amperes. B....Ch. 12 - The formula for determining electrical power...Ch. 12 - Describe how a step-down transformer differs from...Ch. 12 - What are the three types of opposition to current...Ch. 12 - Prob. 18RQCh. 12 - What does forward bias on a diode mean?Ch. 12 - The unit of measurement for the charge a capacitor...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is not made of semiconductor material? Zener diode Thermistor PM generator Hall-effect switcharrow_forwardIf there were a current flowing of 5A in a 120-V circuit,what would the resistance be? A. 25 B. 24 c. 600 D. 624arrow_forwardA decrease in resistance will cause the amperage to A. decrease. B. increase. C. decrease or increase. D. none of the above.arrow_forward
- What is the difference between voltage and current?arrow_forwardDescribe the characteristics of the voltage, amperage, and resistances when there is more than one load in a parallel circuit.arrow_forwardTrue or False? A zero reading on an ohmmeter means the circuit or component is open.arrow_forward
- 3. A contact device installed at the outlet for the connection of a single attachment plug. a. male plug b. switch c. female plug d. receptaclearrow_forwardWhat is the device that consists of two unlike metal strips that are attached and have a different rate of expansion and contraction? A. Thermistor B. Thermocouple C. Diaphragm D. Bimetalarrow_forwardWhich of the following is a device consisting of two unlike metals fastened at one end that, when heated on the fastened end, produces a DC current? A. Thermocouple B. Thermistor C. Diaphragm D. Bimetalarrow_forward
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