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I have used the B=(uo*I)/2pi*r) , but i cant see to get correct answer. Thank you...

I have used the B=(uo*I)/2pi*r) , but i cant see to get correct answer. Thank you so much in advance!
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Answer #1

VIC V=5000m/s -5m I =4. 8A at d Part ① - Magnetic field Produced by whe at a distance of 5m. B- llo. I = 2x107x 4.8 = 1:92x15

So magnitude of magnetic field at the location of the charge is B = 1.92 x 10-T while magnitude of force on charge is F = 9.6 x 10-4N .

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