Questions
Considering magnetic field along the axis of a circular loop of radius R, at what distance from the centre of the loop is the field one eighth of its value at the centre?
detailed solution
Correct option is B
Baxs = μ0IR22R2+x23/2= μ0I2R 11+x2R23/2Bcentre = μ0I2R⇒ Baxis = Bcentre1+x2R23/2 = Bcentre81+x2R23/2=8 ⇒ x=3RTalk to our academic expert!
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