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Question: A block has dimensions 1 cm, 2cm and 3 cm. Ratio of the maximum resistance to minimum resistance bet...

A block has dimensions 1 cm, 2cm and 3 cm. Ratio of the maximum resistance to minimum resistance between any pair of opposite faces of this block is –

A

9 : 1

B

1 : 9

C

18 : 1

D

1 : 6

Answer

9 : 1

Explanation

Solution

Rmax = ρ(3)1×2\frac{\rho(3)}{1 \times 2}

Rmin = ρ(1)2×3\frac{\rho(1)}{2 \times 3}