Q3.5Multiple choice
A metal rod of length 10 cm and a rectangular cross-section of 1cm × cm is connected to a battery across opposite faces. The resistance will be
- (a)maximum when the battery is connected across 1 cm × cm faces.
- (b)maximum when the battery is connected across 10 cm × 1 cm faces.
- (c)maximum when the battery is connected across 10 cm × cm faces.
- (d)same irrespective of the three faces.