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3 cards from this section. Quick, good the night before a test.
What is the fundamental unit of charge?
It's the charge of a single electron.
Define quantisation of charge.
Think about how charges can't just be random fractions.
What does charge quantisation imply?
Think about the smallest amount of charge possible.
Is the charge on an electron positive or negative?
Recall the charge convention.
Consider two charged balloons with charges of 1.0 × 10⁻⁶ C and 3.0 × 10⁻⁶ C. How many elementary charges do these balloons contain?
Use the formula charge/elementary charge.
If the quantisation of charge indicates a minimum charge of 1.602 x 10⁻¹⁹ C, determine the number of electrons in a charge of -1.2 C.
Divide the total charge by the elementary charge.
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