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Sloan [31]
3 years ago
15

Explain the relationship between magnetic fields and magnetic force.

Physics
1 answer:
andriy [413]3 years ago
3 0

Answer:

Magnetic field is the strength of magnetism created by a magnet, whereas the magnetic force is the force due to two magnetic objects. The concepts of magnetic field and magnetic force are widely used in fields such as classical mechanics, electromagnetic theory, field theory and various other applications.

Explanation:

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How many ohms of resistance must be present in a circuit that has 50 volts and a current of 2 amps.
Lady_Fox [76]

Answer:

25 ohms

Explanation:

Hi there!

Ohm's law states that V=IR where V is voltage, I is current and R is resistance.

Plug the given information into Ohm's law (V=50, I=2) and solve for R

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Divide both sides by 2 to isolate R

\frac{50}{2}= \frac{2R}{2}  \\25=R

Therefore, there are 25 ohms of resistance present in this circuit.

I hope this helps!

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A charge of 25.0 nc is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×10
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