电感元件L=10mH，u=100√2sin(1000t+30°)V，则i=(____)。
A10√2sin(1000t)A$;$10√2sin(1000t+30°)A$;$10√2sin(1000t+120°)A$;$10√2sin(1000t-60°)A
B10√2sin(1000t)A$;$10√2sin(1000t+30°)A$;$10√2sin(1000t+120°)A$;$10√2sin(1000t-60°)A
C10√2sin(1000t)A$;$10√2sin(1000t+30°)A$;$10√2sin(1000t+120°)A$;$10√2sin(1000t-60°)A
D10√2sin(1000t)A$;$10√2sin(1000t+30°)A$;$10√2sin(1000t+120°)A$;$10√2sin(1000t-60°)A