Physics, asked by mkumar10, 8 months ago

Two circular coils of radii 10 cm and 40 cm are connected in series to a battery. The ratio of magnetic fields at their centres is

Answers

Answered by rightjangra98135

1

Answer:

B = ui/2r

B1 = ui/20

B2 = ui/80

B1/ B2 = 4/1

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