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Q. |
Force per meter on two wires carrying a current of 1 A placed 1 m apart is equal to {{}} |
A. | 6.7 × 10 -11 N |
B. | 9.0 × 10 9 N |
C. | 2.0 × 10 -7 N |
D. | 3.0 × 10 -4 N |
Answer» C. 2.0 × 10 -7 N |
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