average of voltage.? I am testing out the current controlling the speaker on an alarm clock. I know that it beeps. I am guessing that the beeping is caused from current going to the speaker, then stopping, and so on. My multimeter never says the voltage is at 0, it just shows voltage slightly...
Hi, I am a newcomer to electronics as a hobby and have been playing around with LEDs.
I have two Craftsman multimeters (models 82141 and 82345).
I set up a simple LED circuit with a power source from an external hard drive rated at 12V DC, 2A.
I measured the voltage of the power source with...