题目列表(包括答案和解析)
某交流发电装置产生的感应电动势与时间的关系如图所示,如果其他条件不变,仅使线圈转速加倍,则交流电动势的最大值和周期分别变为( )
A.400V,0.02s | B.200V,0.02s |
C.400V,0.08s | D.200V,0.08s |
某交流发电装置产生的感应电动势与时间的关系如图所示,如果其他条件不变,仅使线圈转速加倍,则交流电动势的最大值和周期分别变为( )
A.400V,0.02s B.200V,0.02s
C.400V,0.08s D.200V,0.08s
A.400V,0.02s | B.200V,0.02s |
C.400V,0.08s | D.200V,0.08s |
A.400V,0.08s | B.400V,0.02s | C.200V,0.02s | D.200V,0.08s |
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