欧姆定律在串并联电路中的应用WL17-4-1
串并联电流电压规律在欧姆定律中推导
| 串联 | 并联 | |
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电流 |
I总 = I1 = I2 |
I总 = I1 + I2 |
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电压 |
U总 = U1 +U2 |
U总 = U1 = U2 |
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电阻 |
R总 = R1 +R2 |
{1} \over {R_总} = {1} \over {R_1} +{1} \over {R_2} |
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