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己知电压μ=5sin（ωt+10°）V,电流i=3sin（ωt+75°）A,则μ滞后i

高老师2年前 (2024-03-28)电工技术基础(02232)24

己知电压μ=5sin（ωt+10°）V,电流i=3sin（ωt+75°）A,则μ滞后i

A.85°

B.65°

C.-65°

D.-85°

正确答案是B

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