# While testing variable resistors: Technician A says that while checking a rheostat with a voltmeter, the voltage should change smoothly with a change in the control. Technician B says that a potentiometer can be checked with a scope. Who is correct? Technician A Technician B Both A and B Neither A nor B

### Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

### Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

#### Solutions

Chapter
Section
Chapter 16, Problem 4ASRQ
Textbook Problem

## While testing variable resistors: Technician A says that while checking a rheostat with a voltmeter, the voltage should change smoothly with a change in the control. Technician B says that a potentiometer can be checked with a scope. Who is correct? Technician A Technician BBoth A and BNeither A nor B

Expert Solution
To determine

While testing variable resistors: The technician with correct approach.

### Explanation of Solution

Given:

Technician A says that while checking a rheostat with a voltmeter, the voltage should change smoothly with a change in the control.

Technician B says that a potentiometer can be checked with a scope.

Variable resistors help to identify the value of resistance within a specified range. They can be measured with an ohmmeter or voltmeter...

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