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NEETPhysicsMagnetic Effects of Current

In the setup described in Fig. 4.3, a long straight wire carrying a current of 25A is placed on a table. Another wire PQ of length 1m and mass 2.5g also carries the same current but in the opposite direction. The wire PQ is free to slide up and down. What will be the height to which PQ will rise?

Options

  1. A0.15 cm
  2. B0.25 cm
  3. C0.51 cm
  4. D0.75 cm

Correct answer

C. 0.51 cm

Step-by-step solution

Correct Option is : (C) 0.51 cm

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