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Problem abput electricity 
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#1
Dec712, 09:45 AM

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1. The problem statement, all variables and given/known data
We have a charge Q and it's h metres far from the flat surface. Find the force with which acts on the Q charge by the surface The answer is: F=kQ^{2}/4h^{2} i couldn't get it, please help me. 2. Relevant equations 3. The attempt at a solution 


#2
Dec712, 09:53 AM

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P: 11,675

Welcome to Physics Forums, shotikokobaxi. What formula(s) are appropriate here? Is the flat surface a conducting surface? If so, what analysis technique is appropriate for calculating the effects of an induced charge? 


#3
Dec712, 11:36 AM

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#4
Dec712, 01:31 PM

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P: 11,675

Problem abput electricity



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