Physics Which of the following properties is found only in ferromagnetic materials ? Hysteresis Attracting a magnetic substance Susceptibility independent of temperature Point in a particular direction Hysteresis Attracting a magnetic substance Susceptibility independent of temperature Point in a particular direction ANSWER DOWNLOAD EXAMIANS APP
Physics Conversion of sound energy into electrical energy is done by Microphone Solar cell Gramophone Loudspeaker Microphone Solar cell Gramophone Loudspeaker ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes Positive ion None of these Neutron Negative ion Positive ion None of these Neutron Negative ion ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Light energy to electrical energy Light energy to chemical energy Mechanical energy to electric energy Heat energy to mechanical energy Light energy to electrical energy Light energy to chemical energy Mechanical energy to electric energy Heat energy to mechanical energy 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). 10 80 20 40 10 80 20 40 ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity Entropy? Pascal per kelvin Newton per kelvin Joule per kelvin Watt per kelvin Pascal per kelvin Newton per kelvin Joule per kelvin Watt per kelvin ANSWER DOWNLOAD EXAMIANS APP
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