5 Electricity and magnetism
5.3 Electric cells
Name: ……………………………….
Date: ……………………………….
Worksheet 1
1
The following graph is a result of an internal resistance experiment.
a
What is the emf of the battery?
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b
What is the internal resistance of the cell?
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c
What is the value of the load resistor when the current equals 1.98 A?
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d
Define emf, terminal voltage, and internal resistance.
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e
At what value of load resistance will the power delivered to the load be at a maximum?
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f
Draw and label the circuit used in this experiment.
1