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 4 only 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 only 4 only 3 and 4 only 1, 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Convection Reflection Conduction Radiation Convection Reflection Conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Protons Photoelectrons Photons Electrons Protons Photoelectrons Photons Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: Irregularities on both the surfaces are removed Air gap is created between the two surfaces The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Irregularities on both the surfaces are removed Air gap is created between the two surfaces The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument that measures and records the relative humidity of air is Barometer Lactometer Hygrometer Hydrometer Barometer Lactometer Hygrometer Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 40 20 80 10 40 20 80 10 ANSWER DOWNLOAD EXAMIANS APP
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