To Explain:The way potential difference should be adjusted to bring the drop back into balance.
Explanation of Solution
Introduction:
Millikan’s oil drop experiment was used to determine the magnitude of electric charge. In this experiment, a charged oil droplet is suspended in an electric field. The electric force on the charge is balanced by its weight. The charge on the droplet depends on the electric field’s strength and its mass.
When the net charge on the droplet is changed and it begins to fall, it signifies the weight of the droplet is more than the electric force acting on it. As the electric field pushes the charge upwards and its strength depends on the potential difference between the plates, the later must be increased till the droplet stops falling down and balance is restored.
Conclusion:
The potential difference between the
Chapter 21 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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