How To Test A Light Bulb With A Battery. Using a battery less than 9V may not allow the lights to even turn on. To promote inquiry just tell them to light the bulb.
When it is lit the black test lead will be attached to the cathode and the red test lead will be attached to the anode. Make sure there is two inches of wire left. This should give a readout of 0.
Now attach a lead wire to the center of the bottom of the battery.
If this gives you a reading of zero or close to zero it means your multimeter is working and ready to test your bulbs. If this gives you a reading of zero or close to zero it means your multimeter is working and ready to test your bulbs. Take the C or D cell battery and attach a one lead wire to the top of the battery. To promote inquiry just tell them to light the bulb.
