Instructional Video

Khan Academy: Variable Resistor (Pencil)

Curated by ACT

We use the inside of a pencil (graphite) to apply different 'lengths of pencil' to the circuit. What relationship do you observe between the length of graphite and deflection angle? Watch this video to find out! [1:27]

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Resource Details
Grade
6th - 8th
Subjects
Science
2 more...
Audiences
For Student Use
2 more...
Lexile Measures
0L