MCQ
A current of 10A is passing through a long wire which has semicircular loop of the radius 20cm as shown in the figure. Magnetic field produced at the centre of the loop is
- A10 πμT
- ✓5 πμT
- C4 πμT
- D2 πμT
✓
Answer
Correct option: B.
5 πμT
(b) 5 πμT
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