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Question

the figure shown sigma In the surface charge density on the upper metallic plate

  1. The ratio of energy density in I dielectric to second dielectric is 5/3    
  2. The ratio of energy density in I dielectric to second dielectric is 3/5    
  3. Total induced surface charge density on the interface of the two dielectric is –3sigma /15    
  4. Total induced surface charge density on the interface of the two dielectric is –2sigma/15    

The correct answer is: The ratio of energy density in I dielectric to second dielectric is 5/3

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