12 Physics Current Electricity - Set No : 47 Question No :4
Question No : 4
An
infinite sequence of resistances is shown in the figure. The resultant
resistance between  and  will be, when  and  |
| a) | Infinity | b) |  |
| c) |  | d) |  |
Answer No : 4
(c)Let
the resultant resistance be  If we add one more branch, then the
resultant resistance would be the same because this is an infinite sequence  or  |