If the current in a circular loop is doubled, how does the magnetic field at the
Practice Questions
Q1
If the current in a circular loop is doubled, how does the magnetic field at the center of the loop change?
It remains the same
It doubles
It quadruples
It halves
Questions & Step-by-Step Solutions
If the current in a circular loop is doubled, how does the magnetic field at the center of the loop change?
Correct Answer: Magnetic field doubles.
Step 1: Understand that a circular loop of wire carries an electric current.
Step 2: Know that the magnetic field created by the loop is related to the amount of current flowing through it.
Step 3: Remember that if the current increases, the magnetic field strength also increases.
Step 4: If the current is doubled, it means there is now twice as much current flowing through the loop.
Step 5: Since the magnetic field is directly proportional to the current, doubling the current will also double the magnetic field strength at the center of the loop.
