The resistance of metal sheet 1 between A and B is R 1 and the resistance of sheet 2 between A ' and B ' is R 2 . The value of the ratio R 1 R 2 is

Question

The resistance of metal sheet 1 between A and B is R 1 and the resistance of sheet 2 between A ' and B ' is R 2 . The value of the ratio R 1 R 2 is, 1, 1 2, 2, 4

MARKS App · Accepted Answer

For Sheet 1 resistance is, R 1 = ρ l l t = ρ t For Sheet 2 resistance is, R 2 = ρ 2 l 2 l × t = ρ t ∴ R 1 R 2 = 1

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