题目内容
(请给出正确答案)
[单选]
正弦电流有效值为10A,初相位为,周期为0.01s,则电流瞬时值表达式为:
A、I(t)=10sin(0.01t+)A
B、I(t)=10sin(628t+90°)A
C、I(t)=10sin(200πt+60°)A
D、I(t)=10sin(628t+)A
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