Answer:
Step-by-step explanation:
Magnetic field intensity = Current (A)/length of wire (m)
Given
Current = 10A
Length of wire = 2cm = 0.02m
Required
Intensity I
Substitute into formula
Intensity = 10/0.02
Intensity = 10 × 100/2
Intensity = 1000/2
Intensity = 500A/m