What is the magnetic field inside a long, ideal solenoid carrying current?

What is the magnetic field inside a long, ideal solenoid carrying current?

Step 1: Understand what a solenoid is. A solenoid is a long coil of wire that creates a magnetic field when an electric current flows through it.
Step 2: Recognize that an 'ideal' solenoid is one that is long and tightly wound, meaning the magnetic field inside is consistent and strong.
Step 3: Know that when current flows through the solenoid, it generates a magnetic field inside it.
Step 4: Remember that the magnetic field inside the solenoid is uniform, meaning it has the same strength and direction at every point inside.
Step 5: Understand that the magnetic field lines inside the solenoid run parallel to its length, pointing from one end of the solenoid to the other.

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