Two large circular discs separated by a distance of 0.01 m are connected to a battery...
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Two large circular discs separated by a distance of 0.01 m are connected to a battery via a switch as shown in the figure. Charged oil drops of density 900 kg m are released through a tiny hole at the center of the top disc. Once some oil drops achieve terminal velocity, the switch is closed to apply a voltage of 200 V across the discs. As a result, an oil drop of radius 8 × 107 m stops moving vertically and floats between the discs. The number of electrons present in this oil drop is -2 (neglect the buoyancy force, take acceleration due to gravity = 10 ms and charge on an electron (e) = 1.6 × 10-¹⁹ C) Switch 200V 0.01m Two large circular discs separated by a distance of 0.01 m are connected to a battery via a switch as shown in the figure. Charged oil drops of density 900 kg m are released through a tiny hole at the center of the top disc. Once some oil drops achieve terminal velocity, the switch is closed to apply a voltage of 200 V across the discs. As a result, an oil drop of radius 8 × 107 m stops moving vertically and floats between the discs. The number of electrons present in this oil drop is -2 (neglect the buoyancy force, take acceleration due to gravity = 10 ms and charge on an electron (e) = 1.6 × 10-¹⁹ C) Switch 200V 0.01m
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Related Book For
Physics
ISBN: 978-0077339685
2nd edition
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
Posted Date:
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