The resistance of a conductor varies （）<br>A:directly as its length and inversely as its cross-sectional area<br>B:inversely as its length and directly as its cross-sectional area<br>C:directly as its length and directly as its cross-sectional area<br>D:inversely as its length and inversely as its cross-sectional area

The resistance of a conductor varies （）
A:directly as its length and inversely as its cross-sectional area
B:inversely as its length and directly as its cross-sectional area
C:directly as its length and directly as its cross-sectional area
D:inversely as its length and inversely as its cross-sectional area

出自：海船船员证

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