Practicing Success
CUET Preparation Today
CUET
Physics
Moving Charges and Magnetism
For a long wire carrying a current of 10 A, the magnitude of magnetic field at a point 4 cm away from it will be:
$4×10^{-5}T$
$2×10^{-5}T$
$10^{-5}T$
$5×10^{-5}T$
The correct answer is Option (4) → $5×10^{-5}T$