Vector potential is a vector

whose curl is equal to the magnetic flux density

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whose curl is equal to the electric field intensity

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whose divergence is equal to the electric potential

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which is equal to the vector product E × H

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Solution

The correct option is A whose curl is equal to the magnetic flux density
Ans : (a)

Vector potental in magnetic fields is the measure of work done to move a current element $I \to d l$

$\to A = \frac{W}{I \to d l}$

It relates to $\to B$ (which is force experienced by a current element) as $▽ \times A = \to B .$

$▽ \times \to A = \to B = μ \to H$

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Is potential energy a vector or a scalar quantity ?

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Statement(A): Negative charges always move from a higher potential to lower potential point.

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(a) State whether the current is a scalar or vector? What does the direction of current convey?
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Q. Assertion :Positive charge always moves from a higher potential point to lower potential point Reason: Electric potential is a vector quantity

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Vector potential is a vector

The correct option is A whose curl is equal to the magnetic flux densityAns : (a) Vector potental in magnetic fields is the measure of work done to move a current element I →dl →A=WI →dl It relates to →B (which is force experienced by a current element) as ▽×A=→B. ▽×→A=→B=μ→H