Q21:Consider the circuit shown in Figure P28.21 on page 860. (a) Find the voltage across the 3.00-Ω resistor. (b) Find the current in the 3.00-Ω resistor.
r1 =Ω, r2 = Ω
r3 = Ω r4 = Ω
r5 = Ω v = V