The formula for magnetic field of a certain component is given by B=\frac{\mu_{0} N i}{2 \pi r}, where, N= total number of turns i= current through it r= radius. The component is

Manipal Entrance Test 2020 Physics Paper

Question : 30 of 50

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The formula for magnetic field of a certain component is given by B=‌

µ0Ni

2πr

,
where, N= total number of turns
i= current through it
r= radius.
The component is

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