what will be the effect on resistance when the radius gets 3 times.
plzzzzzz give correct answers cuz I don't want incorrect ones... so please be careful before you answer.....
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bediharsiddak:
tell me ur doubt
i will try to clear it
R is initial resistance for radius =r.
R' is final resistance for radius =3r.
then i calculated the relation between them by dividing R' by R.
sorry R by R'
OK now cleared
thank u so much
welcome
^_^
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