The figure shows a cylinder on an incline plane of negligible friction. The cylinder is released from rest. Which of the followi
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Answer:
The resulting magnetic field is 5.021 x 10⁻⁵ T
Explanation:
Given;
current in the lightening bolt, I = 11800 A
distance from the bolt, r = 47 m
permeability of free space, μ₀ = 1.25664 × 10⁻⁶ T· m/A
Assume lightening bolt as long straight conductor, then the resulting magnetic field will be calculated as follows;
where;
B is the resulting magnetic field
I is the current in the bolt
r is the distance from the bolt
Substitute the given values and calculate B
Thus, the resulting magnetic field is 5.021 x 10⁻⁵ T