20. Calculate the potential difference induced between the tips of the wings with a wingspan of 64.67 m at a speed of 913 km/h. Assume the magnitude of the downward component of the earth's magnetic field is B = 5.0*10-5 T.
(A) 0.82 V,
(B) 1.64 V,
(C) 2.95 V,
(D) 10.4 V.
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統計: 尚無統計資料
統計: 尚無統計資料