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}ĿijƼСMOӋDʾ܇D·ģԭDָͨʾԓָʾl⣩΢l⣩Wq·Դ늉12V׃ָʾҎ顰12V3WR0鶨ֵDDָʾΪWqr늉ɶˌH늉Srg׃ҎDʾOָʾ費׃늴FȦFֵӋ
1ָʾ裻
2D_PSc|c2͡3ͨrָʾ΢lBµČH늹clr늹ʵıֵ
3D_PSc|c4͡5ͨrָʾWq1minĵܣ

𰸡
1⣺P= 

ָʾ裺

RL= = =48


2⣺D_PSc|c2͡3|rɈDҿָ֪ʾ΢lrR0ɶ˵늉U0=9.6V

“·п늉ڸ늉ָ֮ͣʾɶ˵늉

UL=UU0=12V9.6V=2.4V

tָʾČHʣ

PL= = =0.12W

֪lr늹P~=3W

tָʾ΢lBµČH늹clr늹ʵıֵ = =0.04


3⣺D_PSc|c4͡5|rɈDҿ֪湤ڞ0.3sһڃlrg0.2s΢lrg0.1s

tָʾWq1min

lĕrgt1= 0.2s=40s΢lĕrgt2=tt1=60s40s=20s

P= ɵlĵܣ

W1=PLt1=3W40s=120J

΢lrĵܣ

W2=PLt2=0.12W20s=2.4J

ܣ

W=W1+W2=120J+2.4J=122.4J


1ָ֪ʾ~늉~P= ָʾ裻2D_PSc|c2͡3|rɈDҿ֪R0ɶ˵늉“·늉cָʾɶ˵늉P= ָʾ΢lBµČH늹ʣȻ֪clr늹ʵıֵ3D_PSc|c4͡5|rɈDҿ֪湤ںһڃȹrgDָʾWq湤1minlĕrgMһ΢lĕrgP= lĵܺ΢lrĵ֮ͼ鹲ܣ

ϵд
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