本题目来源于试卷: 美国2021年物理杯赛真题 PHYSICS BOWL 2021，类别为 美国物理杯赛(Physics Bowl)
[单选题]
In the 1990s, the space shuttle flew two separatetethered satellite experiments. One purpose was togenerate power via the induced voltage in a 20 kmlong tether moving perpendicular to the Earth’s 0.5 Gauss magnetic field lines at roughly 8 km/s.What is the theoretical voltage across the tether tothe nearest order of magnitude?
A. 10 Volts
B. 100 Volts
C. 1,000 Volts
D. 10,000 Volts
E. 100,000 Volts
参考答案: D
本题详细解析:
$ε=vBL$
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