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Residential wiring and smart home technology Chapter 2 Exam Questions and Answers
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Residential wiring and smart home technology Chapter 2 Exam Questions and Answers
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Residential wiring and smart hometechnology Chapter 2 Exam Questions
and Answers
For voltage, both abbreviations E and V are often used interchangeably and are cqually
acceptable. - Answer -True
When comparing voltage to water pressure at a closed valve, water pressure (voltage)
is smallest when the valve is closed And there is no water flow (current). - Answer -
False
Current is abbreviated with the letter C and is measured in amperes. - Answer -False
The most common method of safely measuring current is to use a clamp-on ammeter. -
Answer -True
The relationship between voltage, current, and resistance is typically visualized as a bar
graph of Ohm's law. - Answer -False
A battery is a group of connected electrochemical cells. - Answer -True
A battery power system is a network of connected batteries that store electricity,
typically from renewable energy sources, for use at a later time. - Answer -False
The operating time of a battery does not depend on the load that it is powering. -
Answer -False
Battries can produce toxic and explosive mixtures of gases. - Answer -True
Cells and batteries are connected in series to make a greater current available than the
current that can be provided by a single cell or battery. - Answer -False Parallel
A fuel cell will continue to provide electrical power as long as it is supplied with fuel. -
Answer -True
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