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提问人:网友lzy_sxb
发布时间:2022-01-06
[单选题]
标有“10Ω/1A”和“15Ω/0.6A”的两只电阻并联起来,允许加的最高电压是()。
A.9V
B.10V
C.15V
D.25V
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- · 有6位网友选择 A,占比60%
- · 有2位网友选择 B,占比20%
- · 有2位网友选择 C,占比20%
A.9V
B.10V
C.15V
D.25V
A、0.03
B、0.05
C、0.1
A.i1 = (ua - ub)/R1=0.5A i2 = (uc - ub)/R2=-1.5A i3 = ub/R3=0.5A
B.i1 = (ua - ub)/R1=1A i2 = (uc - ub)/R2=-0.5A i3 = ub/R3=0.5A
C.i4 = (ua – uc)/R4=0.6A i5 =i1 + i4=1.6A i6 =i2 - i4= - 1.1A
D.i4 = (ua – uc)/R4=1.6A i5 =i1 + i4=1.2A i6 =i2 - i4= - 1.2A
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