Illumination Which lamps can be directly connected to a solar cell? Metal Halide Compact Fluorescent LED Incandescent Metal Halide Compact Fluorescent LED Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is candela. steradians. lux. lumens. candela. steradians. lux. lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficiency of a fluorescence lamp is 60 lumens / watt. 30 lumens / watt. 70 lumens / watt. 40 lumens / watt. 60 lumens / watt. 30 lumens / watt. 70 lumens / watt. 40 lumens / watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination The solid angle subtended by an area of 2400 cm2 on the surface of a sphere of diameter 1.2 m is 2 / 3. 3 / 2. 1 / 3. 2 / 5. 2 / 3. 3 / 2. 1 / 3. 2 / 5. ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on None of these reflection factor. utilization factor. reduction factor. None of these reflection factor. utilization factor. reduction factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination The work of ballast in a fluorescent tube is to limit the flow of current. both ‘a’ and ‘b’. provide a kick start when voltage is induced. None of these. limit the flow of current. both ‘a’ and ‘b’. provide a kick start when voltage is induced. None of these. ANSWER DOWNLOAD EXAMIANS APP
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