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A very long wire generates a magnetic field of 0.0020x 10^-4 T at a distance of 10 mm. What is the magnitude of the current? A) 2.0 mA B) 3100 mA C) 4000 mA D) 1.0 mA

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curiousmuktar

Answer:

2*10^-5

Explanation:

B=IL

I=B/L

I=0.0020*10^-4/10

I=2*10^5

The magnitude of the current in a magnetic field is  2 x10⁵ Amperes.

What is magnetic field?

The magnetic field is the region of space where a charged object experiences magnetic force when it is moving.

The formula for magnetic field is given as;

B=IL

I=B/L

A very long wire generates a magnetic field of 0.0020 x 10⁻⁴ T at a distance of 10 mm.

Plug the values, we get

I=0.0020 x 10⁻⁴/(10 x 10⁻³)

I=2 x10⁵

Thus, the magnitude of the current is 2 x10⁵ Amperes.

Learn more about magnetic field.

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