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Answer to Question #3823 in Mechanics | Relativity for mia

Question #3823
A straight wire 0.10 m long carrying a current of 2.0 A is at right angles to a magnetic field.
The force on the wire is 0.04 N. What is the strength of the magnetic field?
Expert's answer
As F = BIL sin α, we can obtain&
B = F/ ILsin α = 0.04/(2*0.1) = 0.2 T

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