Question

eight identical spherical mercury drops charged to a potential of 20 volt each are coalesced into a single spherical drops this is because​

Answer 1

Answer:

Eight identical spherical mercury drops charged to a potential of 20V each are coalesced into a single spherical drop. (1) The internal Energy of the system remains the same. (2) The new potential of the drop is 80 v...

Explanation:

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Answer 2

v=kq/r                                                            // potenial formula

v=kq/r                                                            // potenial formula4/3 pi R^3= 8x4/3pi r^3    ( R=2r)               // for shperical object Q'=8q                                                             

v=kq/r                                                            // potenial formula4/3 pi R^3= 8x4/3pi r^3    ( R=2r)               // for shperical object Q'=8q                                                             V'=kQ'/R=Kx8q/2r= 4kq/r= 4x20               // putting all the value in the   new formula

v=kq/r                                                            // potenial formula4/3 pi R^3= 8x4/3pi r^3    ( R=2r)               // for shperical object Q'=8q                                                             V'=kQ'/R=Kx8q/2r= 4kq/r= 4x20               // putting all the value in the   new formulaV'=80v