For the conditions given in Problems 7.4 and 7.5, calculate the current passing through each of the

Question:

For the conditions given in Problems 7.4 and 7.5, calculate the current passing through each of the resistors $R_{\mathrm{a}}, R_{\mathrm{b}}$, and $R_{\mathrm{c}}$.

Data from Problem 7.5

For the circuit in Problem 7.4, let $R_{\mathrm{a}}=500 \Omega, R_{\mathrm{b}}=400 \Omega$, and $R_{\mathrm{c}}=300 \Omega$. Calculate the effective resistance in the circuit.

Data from Problem 7.4

Derive the algebraic expression for the effective resistance in the circuit below.

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