S13. Resistance of a 50 cm long and 0.2 mm diameter wire is0.822. Resi

1.	S13. Resistance of a 50 cm long and 0.2 mm diameter wire is0.822. Resistance of another wire of different material of75 cm length and 0.1 mm diameter is 1.512. Compare the- 2*specific resistance of the materials.
Answer» ANSWER: (RHO)/(rho)' = 4.932/1.512 Explanation: R=(rho)L/A ..........(i) R'=(rho)'L'/A'...........(II) DIVIDE (i)/(ii) and calculate RATION of (rho)/(rho)' [A=(pi)d^2 / 4 ]

S13. Resistance of a 50 cm long and 0.2 mm diameter wire is0.822. Resistance of another wire of different material of75 cm length and 0.1 mm diameter is 1.512. Compare the- 2*specific resistance of the materials.

Answer»

ANSWER:

(RHO)/(rho)' = 4.932/1.512

Explanation:

R=(rho)L/A ..........(i)

R'=(rho)'L'/A'...........(II)

DIVIDE (i)/(ii) and calculate RATION of (rho)/(rho)' [A=(pi)d^2 / 4 ]

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S13. Resistance of a 50 cm long and 0.2 mm diameter wire is0.822. Resistance of another wire of different material of75 cm length and 0.1 mm diameter is 1.512. Compare the- 2*specific resistance of the materials.​

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S13. Resistance of a 50 cm long and 0.2 mm diameter wire is0.822. Resistance of another wire of different material of75 cm length and 0.1 mm diameter is 1.512. Compare the- 2*specific resistance of the materials.