🔤 Photocell ✨

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barqi roshni ka aala, photocell, roshni par chalan wala, photoelectric cell, shamsi aala

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📚noun

photocell

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DEFINITION

a solid state device whose electrical properties change when exposed to light

EXAMPLE SENTENCES

The automatic streetlights turn on as soon as the photocell detects falling darkness. Engineers replaced the faulty photocell sensor to restore automatic door operations today. Solar panels utilize specialized photocell technology to convert sunlight into usable electricity. The security alarm triggers when an object interrupts the light beam hitting the photocell. Laboratory technicians calibrated the sensitive photocell before recording light intensity measurements.

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photoelectric cell photodetector solar cell sensor light detector