a) For the circuit shown in Fig. P3.69 the bridge is
Chapter 3, Problem 3.69(choose chapter or problem)
a) For the circuit shown in Fig. P3.69 the bridge is balanced when R = 0. Show that if R << R the bridge output voltage is approximately b) Given R = 1 k, R = 500 , R = 5,and vin = 6v, what is the approximate bridge output voltage if R is 3% of R? c) Find the actual value of v in part (b). Figure P3.69
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