如图是某正弦式交流发电机产生的感应电动势e与时间t的关系图象.如果其它条件不变,仅使线圈的转速变为原来的二倍,则感应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 |
相关知识点
如图是某正弦式交流发电机产生的感应电动势e与时间t的关系图象.如果其它条件不变,仅使线圈的转速变为原来的二倍,则感应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 |
试题篮
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