Three Types of Light Bulbs
Because of rapid advances in lighting technology and stricter government energy standards, your light bulb choices have never been better. Every bulb now sold is more energy efficient than those previously used in homes and businesses. Here are three types of light bulbs. Incandescent bulbs These are the traditional round bulbs used since light bulbs were invented. An electric current is passed through a filament made of tungsten until it heats enough to produce light.