If the current in a circular loop is doubled, how does the magnetic field at the

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Question: If the current in a circular loop is doubled, how does the magnetic field at the center change?

Options:

Correct Answer: Doubles

Solution:

The magnetic field at the center of a loop is directly proportional to the current.

If the current in a circular loop is doubled, how does the magnetic field at the center change?

If the current in a circular loop is doubled, how does the magnetic field at the center change?

Step 1: Understand that a circular loop of wire creates a magnetic field when an electric current flows through it.
Step 2: Know that the strength of the magnetic field at the center of the loop depends on the amount of current flowing through the loop.
Step 3: Remember that if you double the current, the magnetic field strength also changes.
Step 4: Since the magnetic field is directly proportional to the current, doubling the current means the magnetic field at the center will also double.

Magnetic Field in a Loop – The magnetic field at the center of a circular loop is directly proportional to the current flowing through the loop, as described by the formula B = (μ₀ * I) / (2 * R), where B is the magnetic field, I is the current, and R is the radius of the loop.