4.8. Exersizes

1. Find the total resistance for the resistor circuit shown below. Treat all resistor values as exact and report your final answers to 3 significant figures.

2. Given the wiring diagram shown and resistor values of \(R_1 = 82 \ \Omega\), \(R_2 = 100 \ \Omega\), \(R_3 = 220 \ \Omega\), \(R_4 = 220 \ \Omega\), \(R_5 = 560 \ \Omega\). Determine the equivalent resistance.

3. Given the wiring diagram shown and resistor values of \(R_1 = 2.2 \ k\Omega\), \(R_2 = 8.2 \ \Omega\), \(R_3 = 6.8 \ k\Omega\), \(R_4 = 5.6 \ k\Omega\), \(R_5 = 2.2 \ k\Omega\), \(R_6 = 6.8 \ k\Omega\) , \(R_7 = 3.9 \ k\Omega\) , \(R_8 = 2.7 \ k\Omega\). Determine the equivalent resistance.