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1. |
Find the resistance (in mega ohm) of a wire of length 8 m, cross sectional area 2 sq.cm and made of a material of resistivity 120 ohm m. |
A. | 1920 |
B. | 4.8 |
C. | 2.4 |
D. | 960 |
Answer» C. 2.4 | |