A lightning bolt may carry a current of 1.00 104 A for a short time. What is the

Question

A lightning bolt may carry a current of 1.00 104 A for a short time. What is the resulting magnetic field 120 m from the bolt? Suppose that the bolt extends far above and below the point of observation. T
A lightning bolt may carry a current of 1.00 104 A for a short time. What is the resulting magnetic field 120 m from the bolt? Suppose that the bolt extends far above and below the point of observation. T
A lightning bolt may carry a current of 1.00 104 A for a short time. What is the resulting magnetic field 120 m from the bolt? Suppose that the bolt extends far above and below the point of observation. T

Explanation / Answer

It can be assumed the case of infinite length current carrying wire.

B = uo i /(2 pi r)

=2e-7*1e4/120

= 16.67*10^-6 T

= 16.67 uT

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