Physics Working of safety fuses depends upon1. magnetic effect of the current2. chemical effect of the current3. magnitude of the current4. heating effect of the currentSelect the correct answer using the code given below. 1, 2 and 3 only 3 and 4 only 1, 2, 3 and 4 4 only 1, 2 and 3 only 3 and 4 only 1, 2, 3 and 4 4 only ANSWER DOWNLOAD EXAMIANS APP
Physics Specific gravity is defined as the ratio of Density of water at 4°C to the density of the substance Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of the substance to the density of water at 0°C Density of water at 4°C to the density of the substance Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of the substance to the density of water at 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics For which Diode is used ? Modulation Oscillation Purification Amplification Modulation Oscillation Purification Amplification ANSWER DOWNLOAD EXAMIANS APP
Physics Light scattering takes place in Colloidal solutions Electrolyte solutions Basic solutions Acidic solutions Colloidal solutions Electrolyte solutions Basic solutions Acidic solutions ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the capillary action phenomenon Of the surface tension phenomenon Oil is very light Of the diffusion of oil through the wick Of the capillary action phenomenon Of the surface tension phenomenon Oil is very light Of the diffusion of oil through the wick ANSWER DOWNLOAD EXAMIANS APP
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