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2020һƸϰ+𰸣繤4

2019-09-02 20:57:47| йƸ

2020ҵȺ560479050(һȺ)
1. RLC ҽһ˿ڵ·УԪĵѹΪ UR=3VUL=2VUC=6V ·ܵѹΪ( )

1. L Ϊԭ 3 C ӦΪԭ( )ܱԭƵµĴг

A.1/3 B.3 C.

2.ԭƵ 600kHzҪ 1200kHz ̨ĽĿɱݵĵӦԭ( )

A.2 B.1/2 C.1/4 D.4

3.ͼʾ·г״̬պ S 󣬵ѹ V Ķ( )

A. B.С C.

4. Um ǽѹֵIm ǽֵڹ S ( )

A.2UmIm B.UmIm

C.0.5UmIm D.0.707UmIm

5.һ R=3KΩL=4H C=1μF Ԫമĵ··ггƵΪ( )

A.375rad/s B.500rad/s C.331rad/s D.120rad/s

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