A uniform wire of resistance is cut into 3 equal parts. They are connected in the form of equilateral triangle A cell of and negligible internal resistance is connected across and Potential difference across is |
|||||||
a) |
b) |
c) |
d) |
A uniform wire of resistance is cut into 3 equal parts. They are connected in the form of equilateral triangle A cell of and negligible internal resistance is connected across and Potential difference across is |
|||||||
a) |
b) |
c) |
d) |
(a)
The circuit can be drawn as follows
Equivalent resistance
Current . So,
Potential difference between and