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A long wire carrying a steady current is bent into a circular loop of one turn. The magnetic field at the centre of the loop is B . It is then bent into a circular coil of ( n ) turns. The magnetic field at the centre of this coil of ( n ) turns will be
A long wire carrying a steady current is bent into a circular loop of one turn. The magnetic field at the centre of the loop is B . It is then bent into a circular coil of ( n ) turns. The magnetic field at the centre of this coil of ( n ) turns will be
Options
Correct Answer
B. \( n ^ { 2 } B \)
- Exam
- NEET
- Language
- English
- Year
- 2016
- Difficulty
- 1/5
- Section
- Physics
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