Answer: Option D, piezoelectric pressure guage
Explanation: Quartz crystal possess a very useful quality in science as they can generate small charges when pressure is applied to them or when they are hit. This property can be harnessed to construct a piezoelectric pressure gauge which would be used to measure and indicate changes in pressure, the quartz crystal releases little voltage each time there is an applied pressure . This device would be able to sense changes in pressure as there would voltage proportional to the applied pressure.
Answer:
three main parts
Explanation:
Electric motor designs can vary quite a lot, though in general they have three main parts: a rotor, a stator and a commutator. These three parts use the attractive and repulsive forces of electromagnetism, causing the motor to spin continually as long as it receives a steady flow of electric current.
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The Energy discharged from the battery within 2 hours is 0.12kWh
<h3>
Energy</h3>
Energy is the capacity for doing work. It may exist in p<em>otential, kinetic, thermal, electrical, chemical, nuclear</em>. It is measured in joules.
A kilowatt hour (kWh) is a measure of how much energy you're using per hour.
From the question:
Energy discharged from the battery = 60W * 2 hours = 120 Wh = 0.12kWh
The Energy discharged from the battery within 2 hours is 0.12kWh
Find out more on energy at: brainly.com/question/582060
Answer:
Explanation:The two events that indirectly influenced the American Revolution was the Passage of the English Bill of Rights and the English Declaration of Independence.
Answer:
0.740833917 ton/hr
Explanation:
Given:
Cooling load, 8890.007 Btu/hr = 2.605 kW
Room size = 180 
According to the thumb rule
1 ton of refrigerant = 12000Btu
Hence for 8890.007 Btu/hr,
the mass flow rate of the refrigerant is =8890.007 / 12000
= 0.740833917 ton per hr
Hence, mass flow rate is 0.740833917 ton/hr
