Question

. A 16cm2 coil has 20 turns. Its sus
oil has 20 turns. Its suspended by a
phosphor bronze wire of 10-Nm per degree as
couple per unit twist. When 'i' ampere is passing
through it, in a 0.2T field, the wire twisted by
45'. The value of 'i' is?​

Answer 1

Answer:

l don't know please ask to someone who know

Answer 2

BiAn=Ctheta. use this formula...