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Question

When the normal to a coil points in the direction of magnetic field (B), then flux is

A
a scalar quantity
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B
a vector quantity
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C
neither scalar nor vector
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D
uncertain
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Solution

The correct option is A a scalar quantity
Dot product of field and area vectors is flux . Φ=B.dS, and we know dot product of two vectors is a scalar quantity.
Therefore, flux is scalar.

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