Problem

The meter movement in Question 3 is to be used as a multirange ammeter. An Ayrton shunt...

The meter movement in Question 3 is to be used as a multirange ammeter. An Ayrton shunt is to be used to provide full-scale current ranges of 5 A, 1 A, and 0.5 A (Figure 10–67). Find the values of R1, R2, and R3.

Q3. A meter movement has a full-scale value of 500 μ A (0.000500 A) and 50 mV (0.050 V). A shunt is to be connected to the meter that permits it to have a full-scale current value of 2 A. What is the resistance of the shunt?

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Solutions For Problems in Chapter 10