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3 cards from this section. Quick, good the night before a test.
Define Ampere's Law in your own words.
Think about the relationship between current and magnetic fields.
What does μ0 stand for?
It's a constant used in Ampere's Law.
What is Ampere's Law used for?
Think about what happens around a current-carrying wire.
True or False: The magnetic field is constant around a current-carrying wire regardless of current strength.
Remember how changes in current affect magnetic fields.
You have a long straight wire carrying a current of 5A. Using Ampere's Law, calculate the magnetic field strength at a distance of 0.2m from the wire.
Be sure to use the correct distance.
Describe how the magnetic field would change if the current in the wire is doubled. Explain using Ampere's Law.
Focus on the relationship defined by Ampere's Law.
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