18 Which of the following best describes all magnets found in nature? F They have only one pole. G They have two poles. H They are made of iron. They are made of nickel. J

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Chapter19: Magnetism
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Problem 63P: Ail electron is moving at a speed of 1.0 104 in/s in a circular path of radius 2.0 cm inside a...
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18 Which of the following best describes all magnets found in nature?
F They have only one pole.
G
They have two poles.
H They are made of iron.
J
They are made of nickel.
Transcribed Image Text:18 Which of the following best describes all magnets found in nature? F They have only one pole. G They have two poles. H They are made of iron. J They are made of nickel.
17 Which of the following statements describes how a generator functions?
A A generator changes the voltage of a circuit by changing the magnetic flux.
BA generator stores electrical energy and discharges it when prompted.
C A generator uses physical work to rotate magnets, thereby inducing an electrical current.
D A generator uses electrical energy to generate a magnetic field that causes physical work.
Transcribed Image Text:17 Which of the following statements describes how a generator functions? A A generator changes the voltage of a circuit by changing the magnetic flux. BA generator stores electrical energy and discharges it when prompted. C A generator uses physical work to rotate magnets, thereby inducing an electrical current. D A generator uses electrical energy to generate a magnetic field that causes physical work.
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