Exam 3: Ohms Law, Energy, and Power
Exam 1: Quantities and Units31 Questions
Exam 2: Voltage, Current, and Resistance69 Questions
Exam 3: Ohms Law, Energy, and Power64 Questions
Exam 4: Series Circuits64 Questions
Exam 5: Parallel Circuits62 Questions
Exam 6: Series-Parallel Circuits71 Questions
Exam 7: Magnetism and Electromagnetism66 Questions
Exam 8: Introduction to Alternating Current and Voltage66 Questions
Exam 9: Capacitors66 Questions
Exam 10: Rc Circuits65 Questions
Exam 11: Inductors62 Questions
Exam 12: Rl Circuits64 Questions
Exam 13: Rlc Circuits and Resonance68 Questions
Exam 14: Time Response of Reactive Circuits65 Questions
Exam 15: Transformers65 Questions
Exam 16: Regulators, Filters, and Op-Amps307 Questions
Exam 17: Understanding Transducers, Sensors, and Conversion in Industrial Processes80 Questions
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-If voltage is 12 V and the resistance is color-coded brown-black-orange in Figure 3-1 , what are the minimum and maximum possible currents?
(Multiple Choice)
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Typically,Which is the first type of measurement taken in a known defective circuit?
(Multiple Choice)
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The symbol for a certain amount of energy used over time is ________.
(Multiple Choice)
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Power as it is used in electric circuits can be best defined as:
(Multiple Choice)
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-If V=50 V and R=25
in Figure 3-1 , the current equals_________
(Multiple Choice)
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If a 47 resistor carries 5 mA , it's safe to use a 1 W resistor.
(True/False)
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If a resistance of 2.2
is connected across a 1 kV source, current equals about_______
(Multiple Choice)
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-If V=12 V and a 12 resistor shorts in Figure 3-1 , the current is________
(Multiple Choice)
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The voltage of a power supply drops to 0 V when connected to a lamp circuit.What is a possible problem?
(Multiple Choice)
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A 250 μA current flowing through a 4.7 kΩ resistor produces a ________ voltage drop.
(Multiple Choice)
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A 220 1/2 W resistor has burned open, so you look in your parts box to find a replacement. Which one of the following resistors could you use to repair the circuit?
(Multiple Choice)
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-If I=64 mA and R=470
in Figure 3-1 , the voltage equals_________
(Multiple Choice)
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-If V=12 V and a 12 resistor were to open in Figure 3-1 , the current is resistor were to open in Figure 3-1 , the current is_____
(Multiple Choice)
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If the current flow for a given circuit has doubled, then the ________ has been halved.
(Multiple Choice)
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If the voltage applied to a circuit doubles, then power dissipation doubles.
(True/False)
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According to Ohmʹs Law, if resistanceW ere to decreaseW hile voltage remained the same, current would
(Multiple Choice)
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If a resistor that is color coded yellow-violet-red is placed across a 25 V source voltage, what value resistor and wattage rating could be used?
(Multiple Choice)
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