Question

Unit of intensity of magnetic field is:

• A. Newton/Ampere.metre\(^2\).
• B. Newton/Ampere-metre.
• C. Newton-Ampere.metre.
• D. Newton\(^2\)/Ampere-metre.

Hint:

The unit of magnetic field intensity is derived from {force per unit current per unit length}.

Answer 1

The Correct Option is B

The intensity of the magnetic field, or magnetic field strength (\( H \)), is measured in Newton per Ampere-metre (N/A·m). This unit is derived from the relationship: \[ H = \frac{F}{I \cdot L} \] where \( F \) is force, \( I \) is current, and \( L \) is length.