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2 cards from this section. Quick, good the night before a test.
What does the Right-Hand Thumb Rule illustrate?
Think about how your hand would position with respect to the wire.
Who discovered the relationship between electricity and magnetism?
Look for the scientist famous for this discovery.
What is the purpose of the Right-Hand Thumb Rule?
Remember what the fingers represent in relation to current.
True or False: The Right-Hand Thumb Rule can be used to find the direction of motion in electric motors.
Consider how motors operate based on current and magnetic forces.
A vertical wire carries current upward. Apply the Right-Hand Thumb Rule to find the direction of the magnetic field at a point to its east.
Visualize how your fingers curl when applying the rule.
How would the magnetic field change if the current in the wire is reversed? Explain using the Right-Hand Thumb Rule.
Use your right hand again to sweep the changes in curving.
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