Which headlamp design has a separate bulb that can be replaced without replacing the entire unit?

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Multiple Choice

Which headlamp design has a separate bulb that can be replaced without replacing the entire unit?

Explanation:
Composite headlamps keep the light source separate from the housing, so you can replace just the bulb without replacing the entire unit. That design contrasts with sealed-beam assemblies, where the bulb, reflector, and lens are all sealed together as one unit, meaning the whole headlamp must be replaced when the bulb fails. Halogen is a bulb type used in many systems, but it doesn’t by itself define whether the bulb is replaceable separately. LED setups use a module of diodes and are typically replaced as a unit rather than swapping an individual bulb.

Composite headlamps keep the light source separate from the housing, so you can replace just the bulb without replacing the entire unit. That design contrasts with sealed-beam assemblies, where the bulb, reflector, and lens are all sealed together as one unit, meaning the whole headlamp must be replaced when the bulb fails. Halogen is a bulb type used in many systems, but it doesn’t by itself define whether the bulb is replaceable separately. LED setups use a module of diodes and are typically replaced as a unit rather than swapping an individual bulb.

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