Ampere’s Law & Magnetic Field of a Solenoid – Physics & Electromagnetism

This physics video tutorial provides a basic introduction into ampere’s law and explains how to use ampere’s law to derive the formula to calculate the magnetic field of a wire and the magnetic field of a solenoid. This video on electromagnetism contains 1 practice problem explaining how to calculate the magnetic field of a solenoid given the electric current and the number of turns in the solenoid.

Final Exam and Test Prep Videos:
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Magnetic Force on a Current Carrying Wire:

Magnetic Force on a Moving Charge:

The Homopolar Motor:

The Lorentz Force:

Magnetic Field of a Current Carrying Wire:

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Magnetic Sensors – The Reed Switch:

Magnetic Force Between Two Parallel Wires:

Magnetic Field of a Toroidal Solenoid:

Magnetic Field of a Moving Charge:

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Torque on a Loop – Magnetic Dipole Moment:

The Hall Effect:

Magnetic Flux:

Faraday’s Law of Electromagnetic Induction:

Lenz’s Law – Induced Current:

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Full-Length Videos and Worksheets:
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