Context: Many arrangements of electrical contacts are used. Large lamps may have a screw base (one or more contacts at the tip, one at the shell) or a bayonet base (one or more contacts on the base, shell used as a contact or used only as a mechanical support). Some tubular lamps have an electrical contact at either end. Miniature lamps may have a wedge base and wire contacts, and some automotive and special purpose lamps have screw terminals for connection to wires. Contacts in the lamp socket allow the electric current to pass through the base to the filament. Power ratings for incandescent light bulbs range from about 0.1 watt to about 10,000 watts.

Question: What is the name for a base with one or more contacts at the tip and one at the shell?
Answer: screw base

Question: What is the name for a lamp base with one or more contacts on the base and a shell used as a contact or used only as a mechanical support?
Answer: bayonet base

Question: What is the purpose of contacts in the lamp socket?
Answer: allow the electric current to pass through the base to the filament

Question: What is the range of power ratings for incandescent bulbs?
Answer: 0.1 watt to about 10,000 watts

Question: Which types of lamps use screw terminals for connection to wires?
Answer: automotive and special purpose lamps

Question: What type of base do large lamps not have?
Answer: Unanswerable

Question: What base is not used for mechanical support?
Answer: Unanswerable

Question: What type of base does a miniature lamp may not have?
Answer: Unanswerable

Question: What does not allow the electric current to pass through the base to the filament?
Answer: Unanswerable

Question: Whose power ratings range from about .0001 to .01?
Answer: Unanswerable