Physics In a filament type light bulb most of the electric power consumed appears as Infra-red rays Visible light Ultra-violet rays Fluorescent light Infra-red rays Visible light Ultra-violet rays Fluorescent light ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be R/5 5 R 5 R/4 4 R/5 R/5 5 R 5 R/4 4 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted. Shining black Rough white Rough black Shining white Shining black Rough white Rough black Shining white ANSWER DOWNLOAD EXAMIANS APP
Physics The strength of an electromagnet can be increased by Increasing the length of the coiled wire All of these Increasing the number of turns Increasing current supply Increasing the length of the coiled wire All of these Increasing the number of turns Increasing current supply ANSWER DOWNLOAD EXAMIANS APP
Physics A multimeter is used to measure Resistance Voltage Current All of these Resistance Voltage Current All of these ANSWER DOWNLOAD EXAMIANS APP
Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 60 cm. 30 cm. 90 cm. 120 cm. 60 cm. 30 cm. 90 cm. 120 cm. ANSWER DOWNLOAD EXAMIANS APP
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