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Question: Answered & Verified by Expert
A straight wire of diameter 0.5 mm carrying a current of 1 A is replaced by another wire of 1 mm diameter carrying the same current. The strength of the magnetic field far away is
PhysicsMagnetic Effects of CurrentNEET
Options:
  • A twice the earlier value
  • B same as the earlier value
  • C one - half of the earlier value
  • D one - quarter of the earlier value
Solution:
1253 Upvotes Verified Answer
The correct answer is: same as the earlier value
The current is same in both the wire, hence magnetic field induced will be same.

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