[Vật lí 12] Bài toán mạch LC

I

iamzero2009

Last edited by a moderator:
H

hoa_mat_troi

Ta có :

[tex] W_d=75%W=\frac34W \Leftrightarrow W_t=\frac14W \Leftrightarrow \frac12Li^2=\frac14 \frac12LI_0^2 \Leftrightarrow i=\pm \frac{I_0}{2}=\pm 18mA[/tex]
 
You must log in or register to reply here.
Top Bottom