When asked how to create an electromagnet, the best answer would be, "you can create an electromagnet by a. applying a direct current to a non–magnetic material in order to create an electromagnetic field." b. covering a wire with insulation and applying a direct electrical current to the magnet." c. coiling a ferromagnetic material, wrapping in an insulator, and applying a current to the coil." d. wrapping an insulated wire around a metal with ferromagnetic properties and applying an electric current."
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Physics, 21.06.2019 16:30
In raising a 6200-n piano with a pulley system, the movers note that, for every 2.2 m of rope pulled down, the piano rises 0.12 m . ideally, find the force required to lift the piano.
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Physics, 22.06.2019 00:00
Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?
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Physics, 22.06.2019 07:00
Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points
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Physics, 22.06.2019 08:30
You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm
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When asked how to create an electromagnet, the best answer would be, "you can create an electromagne...
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