Q32
A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ?
A.
63.38 N/Wb
B.
633.8 N/Wb
C.
6338 N/Wb
AnswerD.
63380 N/Wb
Answer: Option C
Solution
Answer: Option C
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