Words are used interchangeably.
A lamp refers to the entire lighting fixture that holds the bulb and provides light, while a bulb is the actual light-emitting component that fits inside the lamp and produces light when powered. In other words, the bulb is the source of light, while the lamp is the structure that houses and supports the bulb.
Incandescent lamp
The 100W light bulb is brighter than the 60W light bulb. The difference in brightness is 40 watts.
A lamp is a stationary light source that usually illuminates a room, while a torch is a portable light source typically used outdoors or in emergency situations. Torches are often handheld and powered by batteries or fuel, while lamps are usually plugged into a power source.
Yes, there may be a difference in bulb brightness depending on factors like the voltage applied, resistance in the circuit, and the type of bulb used. These factors can affect the current flowing through the bulb, ultimately impacting its brightness.