kykybear5565 kykybear5565
  • 25-01-2024
  • Physics
contestada

The electric current in a circular coil of two turns produced a magnetic induction of 0.2 T at its centre. The coil is unwound and then rewound into a circular coil of four turns. If same current flows in the coil, the magnetic induction at the centre of the coil now is
A 0.2T
B 0.4T
C 0.6T
D 0.8T

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