A) When the wire is connected to the battery directly
B) When the wire is divided into two parts and both the parts connected to the battery in parallel
C) When the wire is divided into four parts and all the four connected to the battery in parallel
D) When only half the wire is connected to the battery
Correct Answer: C
Solution :
In this case, \[P=\frac{{{V}^{2}}}{R}\]or \[P\propto \frac{1}{R}\]and\[R\]will be minimum, when divided four parts are joints in parallel to the battery.
You need to login to perform this action.
You will be redirected in
3 sec
