Physics If electric resistance is to be decreased, then the number of resistances should be connected in ________ None of these Mixed arrangement Parallel Series None of these Mixed arrangement Parallel Series ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature do the Fahrenheit and Celsius scales give the same reading? 32 degreees 0 degreees -40 degreees 212 degrees 32 degreees 0 degreees -40 degreees 212 degrees 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 4 R/5 R/5 5 R/4 5 R 4 R/5 R/5 5 R/4 5 R ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river It rises a little It rises or sinks depending on the material it is made of It sinks a little It remains at the same level It rises a little It rises or sinks depending on the material it is made of It sinks a little It remains at the same level ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by Increasing the focal length of the objective Increasing the focal length of the eyepiece None of these Decreasing the focal length of the eyepiece Increasing the focal length of the objective Increasing the focal length of the eyepiece None of these Decreasing the focal length of the eyepiece 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 Shining white Rough black Rough white Shining black Shining white Rough black Rough white ANSWER DOWNLOAD EXAMIANS APP
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