Problem: In the circuit at right, what is the potential at each of the noted points?

FREE Expert Solution

Equivalent resistance for resistors in parallel:

1Req=1R1+1R2+...+1Rn

Equivalent resistance for resistors in series:

Req=R1+R2+...+Rn

Current:

i=VR

Resistors C and Fare in series:

Rcf = Rc + Rf = 5.0 + 5.0 = 10Ω

Resistors CF and E are in parallel:

Rcfe = (1/Rcf + 1/Re)-1 = (1/10 + 1/10)-1 = 5.0Ω

Resistors CFE and B are in series:

Rcfeb = Rcfe + Rb = 5.0 + 5.0 = 10Ω

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Problem Details

In the circuit at right, what is the potential at each of the noted points?

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