Physics Coolis tube is used to produce Micro waves Gama rays X-rays Radio waves Micro waves Gama rays X-rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which conduct electricity at high temperatures conduct electricity at low temperature offer high resistance to the flow of current offer no resistance to the flow of electricity conduct electricity at high temperatures conduct electricity at low temperature offer high resistance to the flow of current offer no resistance to the flow of electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Convection Conduction Reflection Radiation Convection Conduction Reflection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The earth-wire of a cable is connected to The outer metallic body of the appliance The filament of the appliance Short circuitry of the appliance The fuse of the appliance The outer metallic body of the appliance The filament of the appliance Short circuitry of the appliance The fuse of the appliance ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Microphone Amplifier Speaker Transmitter Microphone Amplifier Speaker Transmitter ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance Wind mill grinding wheat grain Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance Wind mill grinding wheat grain ANSWER DOWNLOAD EXAMIANS APP
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