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1. |
Current of 0.75A when a battery of 1.5V is connected to the wire of 5m having cross sectional area 2.5 x 10-7 m2 will have the resistivity |
A. | 1 x 10-7 |
B. | 1.1 x 10-7 |
C. | 2 x 10-7 |
D. | 2.1 x 10-7 |
Answer» B. 1.1 x 10-7 | |