Multiple choice questions, only one answer is correct for each question. Please
ID: 2033300 • Letter: M
Question
Multiple choice questions, only one answer is correct for each question. Please answer the question carefully, they are very important.
1Which of the following household items are examples of the second law of
thermodynamics?
Air conditioner
Vacuum
Refrigerator
Both a and c
2.a Derailleur
a French Electric Car
changes gears
a braking system
has no moving parts
3.Magnetic North and the North Pole
Are equidistant
about 11.5 degrees different
are the same thing
are where magnets can freeze and change state
4.Uses a magnet, a cone and a coil
An MRI
BEATS headphones
iPods
a computer hard drive
5.Uses a Chuck and follows Faradays law
Electric Razor
Garbage Disposal
An Electric Drill
A Water pik
Explanation / Answer
1. Refrigerator and air conditioner work on the second law of thermodynamics ,so , both a and c
2. A Derailleur changes gears.
3. Magnetic North and the North Pole are about 11.5 degrees different
4. BEATS headphones Uses a magnet, a cone and a coil
5. An Electric Drill Uses a Chuck and follows Faradays law
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.