when a coil of wire is moved through a magnetic field,
a. the voltage is first raised a...
Physics, 19.10.2019 00:30 germainenez8403
when a coil of wire is moved through a magnetic field,
a. the voltage is first raised and then lowered
b. a solenoid is created
c. mechanical energy is transformed into electrical energy
d. electrical energy is transformed into mechanical energy
Answers: 2
Physics, 21.06.2019 21:30
According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f
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Physics, 21.06.2019 22:30
The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '
Answers: 1
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Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.
Answers: 2
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