Physics, 01.11.2019 02:31 jonathanvega424
Generators use the magnetic field of which of the following to produce an electric current?
a. temporary magnet
b. magnetic properties
c. magnetic domain
d. permanent magnet
Answers: 2
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What best describes a sonar wave? transverse and electromagnetic transverse and mechanical longitudinal and electromagnetic longitudinal and mechanical
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Abearing is designed to a reduce friction b. support a load c.guide moving parts such as wheels, shafts and pivots d. all of the above
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Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley
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Suppose you have three polarizing filters, with the second at an angle of 42β to the first and the third at an angle of 90β to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
Answers: 2
Generators use the magnetic field of which of the following to produce an electric current?
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