1.

Figure shows a capacitor having three layers between its plates. Layer x is vacuum, y is conductor, and z is a dielectric. Which of the following change (s) willresult in increase in capacitance?

Answer»

REPLACE X by conductor
replace y by dielectric
replace z by conductor
replace x by dielectric

Solution :a.,c,d.
Here effective dielectric CONSTANT of conductor can be TAKEN as infinity.


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