Physics A dynamo is used to convert Electrical energy into magnetic energy Mechanical energy into electrical energy Magnetic energy into mechanical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Magnetic energy into mechanical energy Electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Troposphere Stratosphere Ionosphere Mesosphere Troposphere Stratosphere Ionosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Thermal expansion of materials arises from Strong bonds Thermal vibrations Asymmetry of potential energy curve Weak bonds Strong bonds Thermal vibrations Asymmetry of potential energy curve Weak bonds ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be 2P > P < P P 2P > P < P P ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of any wave is proportional to which of the following? Cube of amplitude Square of amplitude Square root of amplitude Amplitude Cube of amplitude Square of amplitude Square root of amplitude Amplitude ANSWER DOWNLOAD EXAMIANS APP
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