Question

state formula for earth's magnetic field​

Answer 1

Answer:

The biot - Savart law can

be used to determine

the magnetic of an infinite

straight current carrying

wire it is reduced to

the form B= μ 0 l 2 π r.

The magnetic

field formula contains the

• C o n s t a n t μ 0 constant ^{\mu_{0}}constantμ0.
• This is known as permeability of free space and has a v a l u e μ value^{\mu}_{0} value0μ
• = 4 π × 10 - 7 ( T ° m4 \ pi \ times10^{-7} (T\cdot m
• 4π×10-7(T°m / A).Besides,the unit of magnetic field is Tesla (T)

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Answer 2

Answer:

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Explanation:

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