Answer to Question #342710 in Physics for Ma. daniella gapa

Question #342710

When positioned at 90° to a magnetic field, a wire of length 1 m carrying a current of 4 A experiences a force of 0.2 N. What is the strength of the magnetic field?

Expert's answer

"F=BIl\\sin\\theta"

"B=\\frac{F}{Il\\sin\\theta}=\\frac{0.2}{4*1*\\sin90^\\circ}=0.05\\:\\rm T"

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