The correct answer is: E. None of the above
Light sensors can be used as limit switches, come in a wide variety of mounting styles, and can work in direct sunlight. Infrared light is a type of light that can be used by light sensors.
A. Light sensors cannot be used as limit switches.
This is not true. Light sensors can be used as limit switches. For example, a light sensor can be used to detect when a door is open or closed.
B. Light sensors come in a wide variety of mounting styles.
This is true. Light sensors can be mounted in a variety of ways, including on a wall, ceiling, or floor.
C. Light sensors work in direct sunlight.
This is true. Light sensors can work in direct sunlight. However, they may need to be adjusted to compensate for the brightness of the sunlight.
D. Light sensors never use infrared light as light source.
This is not true. Infrared light is a type of light that can be used by light sensors. For example, an infrared light sensor can be used to detect movement.