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Question 4.3: (a) In the circuit in Fig. 4.71, calculate v0 and I0 when vs...

(a) In the circuit in Fig. 4.71, calculate v_{ 0 } and I_{ 0 }   when v_{ s } = 1 V.

(b) Find v_{ 0 } and i_{ 0 } when v_{ s } = 10 V.

(c) What are v_{ 0 } and I_{ 0 }  when each of the 1-Ω resistors is replaced by a 10-Ω resistor and v_{ s } = 10 V?

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