ElectAltEngOnl.19-20.SEC - Theodore Neitzel
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D. Th...
ElectAltEngOnl.19-20.SEC - Theodore Neitzel
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D. The strength of an electric field.
Use the following scenario to answer question 2.
Some students took a study break and played Guitar Hero on their PlayStation. They used a TV
requiring 1.75 amps and a PlayStation requiring 0.75 amps. Assume electricity costs $0.15 per
kWh and they used 120V outlets.
2. What is the resistance of the TV?
A. 68.6 amps
B. 210 amps
C. 68.6 ohms
D. 210 ohms
Answers: 3
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How does an observation about an object differ from an inference about that object
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1. what is the si unit of emf? 2.a complete series circuit consists of a 12.0 v battery, a 4.70 ω resistor, and a switch in the closed position. the internal resistance of the battery is 0.30 ω. what does an ideal voltmeter read when placed across the resistor?
Answers: 2
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Suppose your surface body temperature averaged 90 degrees f. how much radiant energy in w/m^2 would be emitted from your body?
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When oxygen reacts with hydrogen, it has the capacity to release 29 kilojoules of energy. inside a fuel cell, oxygen reacts with hydrogen to produce 23 kilojoules of useful energy. the rest of the energy is lost as heat. what's the efficiency percentage of the fuel cell?
Answers: 1
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