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A straight current carrying wire carries a vertically upward current. A point P lies to the east of it at a small distance and another point Q lies to the west at the same distance. The magnetic field at P is ( consider earth field )- 1. greater than at Q 2. same as at Q 3. less than Q 4. greater than or less than at Q

  1.   A straight current carrying wire carries a vertically upward current. A point P lies to the east of it at a small distance and another point Q lies to the west at the same distance. The magnetic field at P is ( consider earth field )-                1. greater  than at Q                     2. same as at Q                  3. less than Q                         4. greater than or less than at Q 

Grade:12th pass

2 Answers

hero
123 Points
5 years ago
The field acting on both point is equal in magnitude but opposite in direction by modified right hand rule.
Kartik Hiremath
7 Points
3 years ago
Magnetic field at point P is greater than at Q.
Beacuz earth's magnetic field gets added at point P and at point Q  gets subtracted.

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