Illumination Which lamps can be directly connected to a solar cell? Compact Fluorescent LED Metal Halide Incandescent Compact Fluorescent LED Metal Halide Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Illuminance Luminous Intensity Luminous flux Luminance Illuminance Luminous Intensity Luminous flux Luminance ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Metal Halide Incandescent LED Compact Fluorescent Metal Halide Incandescent LED Compact Fluorescent ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the work of a driver in case of an LED? None of these To convert DC to AC To convert AC to DC Both ‘a’ and ‘b’ None of these To convert DC to AC To convert AC to DC Both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the number of lamps, each having 300 lumens, required to obtain an average illuminance of 50 lux on a 4m × 3m rectangular room? 2 4 5 6 2 4 5 6 ANSWER DOWNLOAD EXAMIANS APP
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