Exam-style question
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What is the significance of quantisation of charge as demonstrated in Millikan's experiment?.
- A.Charge can take any value.
- B.Charge is always negative.
- C.Charge exists in discrete amounts.
- D.Charge is conserved.
Model answer
What a good answer should say
- Charge exists in discrete amounts.
Explanation
Why this works
The quantisation of charge indicates that electric charge is not continuous but exists in discrete packets, as shown by the results of Millikan's oil-drop experiment, where the measured charges were integer multiples of the elementary charge.
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