A conductor having a cross-sectional area a sq m carrying current \(I\vec j\;A\), lies in a magnetic field.\(\vec B = {B_0}\left( {\vec i + \vec j} \right)Wb/{m^2}\)The force density of the conductor isWhere, \(\vec i,\;\vec j\) and \(\vec k\) are orthogonal unit vectors.

\( - \frac{{{B_0}}}{a} \cdot I\vec i\)

A conductor having a cross-sectional area a sq m carrying current \(I\

1.	A conductor having a cross-sectional area a sq m carrying current \(I\vec j\;A\), lies in a magnetic field.\(\vec B = {B_0}\left( {\vec i + \vec j} \right)Wb/{m^2}\)The force density of the conductor isWhere, \(\vec i,\;\vec j\) and \(\vec k\) are orthogonal unit vectors.
A.	\(\frac{{{B_0}}}{a}I\vec k\)
B.	\( - \frac{{{B_0}}}{a} \cdot I\vec i\)
C.	\(- \frac{{{B_0}}}{a}I\vec k\)
D.	\(\frac{{{B_0}}}{a}I\vec j\)
Answer» D. \(\frac{{{B_0}}}{a}I\vec j\)

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A conductor having a cross-sectional area a sq m carrying current \(I\vec j\;A\), lies in a magnetic field.\(\vec B = {B_0}\left( {\vec i + \vec j} \right)Wb/{m^2}\)The force density of the conductor isWhere, \(\vec i,\;\vec j\) and \(\vec k\) are orthogonal unit vectors.

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