Physics · Current Electricity
A metal rod of length 10 cm and a rectangular cross-section of 1 cm × 12 cm is connected to a battery across opposite faces. The resistance will be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The same irrespective of which of the three pairs of faces it is connected across.
- 2Maximum when the battery is connected across 10 cm × 12 cm faces.
- 3Maximum when the battery is connected across 10 cm × 1 cm faces.
- 4Maximum when the battery is connected across 1 cm × 12 cm faces.✓
Correct answer
Maximum when the battery is connected across 1 cm × 12 cm faces.
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