Which of the following statements is true regarding the magnetic field inside a

₹0.0

Question: Which of the following statements is true regarding the magnetic field inside a long solenoid? (2023)

Options:

Correct Answer: It is uniform and parallel to the axis

Exam Year: 2023

Solution:

Inside a long solenoid, the magnetic field is uniform and parallel to the axis of the solenoid, provided the solenoid is long enough.

Which of the following statements is true regarding the magnetic field inside a long solenoid? (2023)

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.

No concepts available.