Questions
Two metal pieces having a potential difference of 800 V are 0.02 m apart horizontally. A particle of mass is suspended in equilibrium between the plates. If e is the elementary charge, then charge on the particle is
detailed solution
Correct option is B
For equilibrium mg = qE∴1.96×10−15×9.8=q×8000.02⇒q=1.96×10−15×9.8×0.02800⇒n×1.6×10−19=1.96×10−15×9.8×0.02800⇒n=3Talk to our academic expert!
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A charge of 5C experiences a force of 5000N when it is kept in a uniform electric field. What is the potential difference between two points separated by a distance of 1cm
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