Electromagnetism

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(tp/pyis ht:/hscc AGNETISM-12/) omscmidx so.o/ne/

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QUESTION:
A conducting liquid bubble of radius a and thickness is charged to potential
. If the bubble collapses to a droplet, find the potential on the droplet.

(tp/pyis ht:/hscc omscmidx so.o/ne/ Let q be the charge on the bubble ,

(tp/pyis ht:/hscc then

is-/,IT ic2) I
(tp/pyis
ht:/hscc

After collapsing, the radius of droplet becomes R,

omscmidx so.o/ne/ it) JM i/, A

Electronics
(http://physicscosmos.com/index/electron
ics-1/) (13)

omscmidx so.o/ne/ jm) JS a/, ET

(tp/pyis ht:/hscc omscmidx so.o/ne/ pyis hscslto/,TF ouin)
IR
(tp/pyis ht:/hscc Now, potential of droplet will be
′

js/,Polm et) rbes

therefore

ϵ

omscmidx so.o/ne/ Substituting the values, we have

omscmidx so.o/ne/ Clut acta (tp/pyis
ht:/hscc