Physics Conversion of sound energy into electrical energy is done by Solar cell Loudspeaker Microphone Gramophone Solar cell Loudspeaker Microphone Gramophone ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on a sandy road than on a concrete road because the sand is grainy but concrete is smooth. sand is soft and concreter is hard. the friction between sand and feet is more than that between concrete and feet. the friction between sand and feet is less than that between concrete and feet. the sand is grainy but concrete is smooth. sand is soft and concreter is hard. the friction between sand and feet is more than that between concrete and feet. the friction between sand and feet is less than that between concrete and feet. ANSWER DOWNLOAD EXAMIANS APP
Physics At the center of the sun, fusion converts hydrogen into Plutonium Carbon Water Helium Plutonium Carbon Water Helium ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle No work is done on it No acceleration is produced in it Its velocity remains constant No force acts on it No work is done on it No acceleration is produced in it Its velocity remains constant No force acts on it ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be 2p/ 3 P P/3 3P 2p/ 3 P P/3 3P ANSWER DOWNLOAD EXAMIANS APP
Physics What principle/law explains the working of the hydraulic brakes in automobiles ? Posieulle's principle Archimedes' principle Bernoulli's law Pascal's law Posieulle's principle Archimedes' principle Bernoulli's law Pascal's law ANSWER DOWNLOAD EXAMIANS APP
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