Consider a diagram where a current element $ I \cdot d\mathbf{l} $ is placed at the origin, producing a magnetic field $ d\mathbf{B} $ at a point located at a distance $ r $ from the origin. Acc

Question

Consider a diagram where a current element $I \cdot d\mathbf{l}$ is placed at the origin, producing a magnetic field $d\mathbf{B}$ at a point located at a distance $r$ from the origin. According to the Biot-Savart law, which of the following statements correctly describes the direction of $d\mathbf{B}$ ?

A

Perpendicular to both $I \cdot d\mathbf{l}$ and $\mathbf{r}$ .

B

Parallel to $I \cdot d\mathbf{l}$ .

C

Along the direction of $\mathbf{r}$ .

D

Opposite to $I \cdot d\mathbf{l}$ .

Accepted Answer

Perpendicular to both $ I \cdot d\mathbf{l} $ and $ \mathbf{r} $.

Answer

Parallel to $ I \cdot d\mathbf{l} $.

Answer

Along the direction of $ \mathbf{r} $.

Answer

Opposite to $ I \cdot d\mathbf{l} $.

NEET Physics Biot-Savart Law MCQ Question

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