Plusivo DMM - Example

6.4.1 Example
In this circuit, we are going to use a 7.5 Ω resistor as a shunt, calculate the current
using Ohm’s law.
Now, we need to measure the voltage around the 7.5 Ω shunt resistor using the
multimeter.
Figure 23. The measured voltage in this figure is 1.88 V DC.
Using Ohm’s law “ “
𝑉 = 𝐼 · 𝑅
1. 88 𝑉 = 𝐼 · 7. 5 Ω
𝐼 =
1.88 𝑉
7.5 Ω
= 0. 251 𝐴 = 251 𝑚𝐴
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Mastering the Art of Measurement (Digital Multimeter) r.01 www.plusivo.com