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: 1. nB 2. n2B 3. 2nB 4. 2n2B
Ruhul Amin Alig
Question:From NCERT|NEET||[Difficult level:Medium]Subtopic:MAGNETIC FIELD ON THE AXIS OF A CIRCULAR CURRENT LOOP||
: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:
