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Magnetic Field Due to a Circular Ring on the Axis

Field at the ...

Question

Field at the centre of a circular coil of radius r, through which a current I flows is

Directly proportional to r

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Inversely proportional to I

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Directly proportional to I

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None of these.

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Solution

The correct option is C Directly proportional to I
Directly proportional to I

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Similar questions

Field at the centre of a circular coil of radius r, through which a current I flows is

R

I

2 R

2 I

B_{1}

B_{2}

B_{1}

B_{2}

\frac{B_{1}}{B_{2}}

2 A

1 m

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