Voltage Divider

Purpose

Show how a voltage divider can be used to produce any voltage up to the maximum of the source.◙
 

Equipment

7.5 volt battery, variable resistor, and lecture meter.

 

Suggestions

Disconnect battery when not in use.
 

Images

k6-35

Description

The circuit below uses a 7.5 volt battery across the entire coil, with the variable voltage taken across the slider to ground (or negative terminal of the battery).