NEIEP Mechanics Practice Exam

What is an advantage of a digital meter over an analog meter?

1. Lower cost

2. Has automatic range selections

3. More durable

4. Requires less power

The correct answer is: Has automatic range selections

A digital meter offers the advantage of automatic range selections, which enhances its usability. This means that a digital multimeter can automatically adjust its measurement range based on the input signal being measured. This feature removes the need for the user to manually set the correct range, which can reduce the likelihood of incorrect measurements and save time during testing. In contrast, analog meters require manual adjustment to select the appropriate range, which could lead to errors if the wrong range is chosen. Automatic range selection is particularly beneficial when working with varying signal types or when performing quick checks in troubleshooting scenarios. While other options like lower cost, durability, and power requirements can be relevant in other contexts, the feature of automatic range selection is a significant benefit that sets digital meters apart from their analog counterparts in terms of ease of use and versatility.