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B=μIL/4πR² where B is the magnitude of magnetic field I the current L the length of current carrying wire in this case it is 2πR/6 and R the distance joing the wire to the point at which you want to find the magnetic field. The answer is (D) {just substitute whatever I told in the formula].
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swastikbehera03:
But how you know that L is 2πR/6
Are you there?
See, a circle has 360 degrees. The perimeter for 360 is 2piR. 60 degrees is 1/6th of the circle. So 2piR/6. If you have any other doubts please ask and please do give me the brainliest answer. Thank You!
Oo..thank you very much for your help.
Please do mark the answer brainliest if you are satisfied. You know I need it badly
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