What is the formula for the magnetic field at the center of a circular loop of r
Practice Questions
Q1
What is the formula for the magnetic field at the center of a circular loop of radius r carrying a current I? (2023)
B = μ₀I/2r
B = μ₀I/r
B = μ₀I/4r
B = μ₀I/πr
Questions & Step-by-Step Solutions
What is the formula for the magnetic field at the center of a circular loop of radius r carrying a current I? (2023)
Step 1: Understand that we are looking for the magnetic field (B) at the center of a circular loop.
Step 2: Identify the variables involved: 'I' is the current flowing through the loop, 'r' is the radius of the loop, and 'μ₀' is the permeability of free space, a constant value.
Step 3: Recall the formula for the magnetic field at the center of a circular loop, which is B = μ₀I/2r.
Step 4: Recognize that this formula shows how the magnetic field depends on the current (I) and the radius (r) of the loop.
