a) If percent error is defined as
show that the percent error in the approximation of vo in Problem 1 is
.
b ) Calculate the percent error in vo, using the values in Problem 2.
Problem 1
a) For the circuit shown in Fig. 1 the bridge is balanced when ∆R = 0. Show that if ∆R Rothe bridge output voltage is approximately
b) Given R2 = 1 kΩ, R3 = 500 Ω, R4 = 5 kΩ, and vin = 6 V, what is the approximate bridge output voltage if ∆R is 3% of Ro?
c) Find the actual value of vo in part (b).
Figure 1
Problem 2
Given R2 = 1 kΩ, R3 = 500 Ω, R4 = 5 kΩ, and vin = 6 V, what is the approximate bridge output voltage if ∆R is 3% of Ro?
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