急………………76.图52所示电路中,R1、R2为两个定值电阻,且R1+R2=8欧,小灯泡上标有“6V,12W”字样,当开关S1、S3闭合,S2断开时,电流表示数为I;当开关S2、S3闭合,S1断开时,电流表示数增加0.5安,此
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/08 13:32:58
xWNG~UHvY{m*6RX-ܥmI+C'r)1
ijk_͌6)|nu3~hJa.[AhqʇA|1ۦ%/U- z|{)kl^MkSJ<r8frf.$\|3sq`|@G{p䂢r"}^}4t;:1uDj͝44HV
R)ĊU']*hItLAL2^ T.r>p7ڬb!Za@,,^âXH@
DZ(z}E*gbA_<}8YE5iy]H\d73H.GGԲ֫B]N]z 2u&(RT
s|+
k-JB7'YfhjzmFS2(H#*`R>AH+zo-rC}_#"rO1*]Hbn;]zzBAƨÁ-2m
TRC@e&c#_ad/jZU!>IjCjoM`X.5&pM!^@ɹzWɟ%g!ZXO^ :RhEF֤_o͛b.YdN|E1${nmp8n~P|'O 8v[&A'ցU
נUf"MfNz܅N*m#lSks≵E14sR9VȲ<5[!ghjZyڱ9d *]v1T9/VqE=g5HKCa5 x>;*C|\45Jr*N?v#S
aM