Test Led 9v Battery

Test Led 9v Battery
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Make sure to only use this 9V battery, never use any battery exceeds 12V which can potentially damage the LED. Using a battery less than 9V may not allow the lights to even turn on. Step Two: Strip some plastic sheathing off of both ends of the wires and hook the wires to the battery's positive and negative.
Please following the simply steps below to make your own LED tester to check the LED bulb polarities and also check whether a LED bulb is defective or not.
I want to light an LED with a 9V battery. I have been reading a textbook and decided to test my knowledge of series and parallel circuits and I .

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