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A coil of area 0.5 square metre sits in a 0.4 T field with its normal at 60 degrees to the field. What is the flux?
A0.17 Wb
B0.2 Wb
C0.4 Wb
D0.1 Wb
Answer & Solution
Correct answer: D. 0.1 Wb
Flux is B A cos 60 degrees = 0.4 x 0.5 x 0.5 = 0.1 Wb.
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