Physics, 05.05.2020 19:01 deidaralove90
Two electromagnets are running with equal amounts of electric current. Electromagnet A uses a piece of iron as its metal core, while electromagnet B uses a piece of silver. Which one would have a stronger magnetic field?
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If you put a helium-filled balloon in the refrigerator, what will happen?
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Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
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What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%
Answers: 1
Two electromagnets are running with equal amounts of electric current. Electromagnet A uses a piece...
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