Our black box test circuit is capable of generating a lot of different sounds. In this experiment let’s take a look at how we can use resistors to generate different tones from our black box!


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2 Responses to “Use a Potentiometer to Change”

  1. Research the part number, this can usually be done on any electronics supply website.

    *Also, for each type, there are two places for emitters, along with one for base and collector; which slots do I use? (I’m not familiar with this meter so I’m no going to answer this part of the question).

  2. The multimeter has the ability to test transistors; however, the type (PNP or NPN) must be determined prior to testing: how can I differentiate between the two?