2 years ago

How can a wire become magnetic?

1 answer:

7 0

Answer:

Moving electrons always create a magnetic field. Electrons moving along a wire make a magnetic field that goes in circles around the wire. When you bend the wire into a coil, the magnetic fields around each loop of the coil add up to make a long , thin magnet with north at one end and south at the other.

Explanation:

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Assoli18 [71]

Answer:

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Explanation:

Givens

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I = ?

Equation

I = E/R

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Lithium has a density of 0.5 g/cm3. What would be the mass of a 20 cm3 sample of lithium?

MrMuchimi

Answer:

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Explanation:

.05 g/cm^3 * 20 cm^3 = 1 gm

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