1are d four options correct............ i think its proportional to 1/r3
1yes dear :) absolutely corect options... no typo :)
1
Pavithra Ramamoorthy
·2008-12-19 08:27:36
then is it option 3) ?????????????
1well, for this , there must be a condition on B,
it must only be a function of time.
1
skygirl
·2008-12-19 08:38:39
yes it is a function of time (sorry not mentioned)
1
Pavithra Ramamoorthy
·2008-12-19 08:41:02
plz plz plz........ explain it.........
1
Pavithra Ramamoorthy
·2008-12-19 08:49:19
plz plz plz........ explain it.........
1
Pavithra Ramamoorthy
·2008-12-19 08:55:59
anyone plz??????????????????????????????????????????
33dΦ = ∫E.dl
dt
as E is same for circular region passing over P..
so
dΦ = E.∫dl
dt
AdB/dt=E2Ï€R
E=A(dB/dt)
2Ï€R
so E α 1/r
