1.30 Consider voltage sources connected to loads with the values shown below. In each case, find the percentage change in VL and IL in response to a 10% increase in the value of RL. In which cases is it more appropriate to use a Norton equivalent source? In those cases, find the Norton equivalent for Vs = 1 V.
(a)Rs = 5 kΩ; RL = 200 kΩ
(b)Rs = 5 Ω; RL = 50 Ω
(c)Rs = 2 kΩ; RL = 100 Ω
(d)Rs = 150 Ω; RL = 16 Ω
(a) 2%; 9%; (b) 1%; 8%; (c) 9%; 0.4%; 0.5 mA; (d) 9%; 1%; 6.67 mA
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