In a solenoid carrying current, the magnetic field inside the solenoid is:

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Question: In a solenoid carrying current, the magnetic field inside the solenoid is:

Options:

Correct Answer: Uniform and directed along the axis

Solution:

Inside a long solenoid, the magnetic field is uniform and directed along the axis of the solenoid.

In a solenoid carrying current, the magnetic field inside the solenoid is:

In a solenoid carrying current, the magnetic field inside the solenoid is:

Step 1: Understand what a solenoid is. A solenoid is a coil of wire that is wound in a spiral shape.
Step 2: Know that when an electric current flows through the solenoid, it creates a magnetic field.
Step 3: Recognize that the magnetic field inside a long solenoid is uniform, meaning it has the same strength and direction at all points inside.
Step 4: Identify that the direction of the magnetic field inside the solenoid is along the axis of the solenoid, which is the center line running through its length.

Magnetic Field in a Solenoid – The magnetic field inside a long solenoid is uniform and directed along the axis, proportional to the current and the number of turns per unit length.