By Scott Watson In the electronic world, there are varieties of bulbs in use.  Among the popularly used types include fluorescents tubes, LEDs, incandescent lamps, halogens, HIDs and some others. These bulbs   showcase in a variety of shapes and designs.   A clear understanding of the shapes of the bulbs will go a long way to assisting you in understanding their basic features and modes of operation.  Let’s take a look at the various bulb shapes. Pear Shape This is the most standard type of   bulb shape available in the wor...