Which of the following statements is true regarding the magnetic field inside a
Practice Questions
Q1
Which of the following statements is true regarding the magnetic field inside a long solenoid? (2023)
It is zero
It is uniform and parallel to the axis
It varies with distance from the center
It is stronger at the ends
Questions & Step-by-Step Solutions
Which of the following statements is true regarding the magnetic field inside a long solenoid? (2023)
Step 1: Understand what a solenoid is. A solenoid is a long coil of wire that creates a magnetic field when an electric current passes through it.
Step 2: Recognize that the solenoid has two ends and a long middle section. The magnetic field behaves differently in these areas.
Step 3: Know that inside the long part of the solenoid, the magnetic field lines are straight and evenly spaced.
Step 4: Realize that this means the magnetic field is uniform, meaning it has the same strength and direction throughout that area.
Step 5: Remember that the magnetic field inside the solenoid is parallel to the axis of the solenoid, which is the center line running through its length.
Step 6: Conclude that if the solenoid is long enough, the magnetic field inside will be consistent and strong.
