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Thursday, 02 April 2026
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Which experiment led to the measurement of the charge on an electron?

Which experiment led to the measurement of the charge on an electron?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Mass spectrometric experiment
  • B Oil-drop experiment
  • C Scattering α - particles
  • D Discharge-tube experiment
Correct Answer: Option B
Explanation:
In 1909, Robert Millikan and Harvey Fletcher conducted the oil drop experiment to determine the charge of an electron.

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