Physics A bird sitting on a high tension electric wire does not get electrocuted because It has high resistance It does not form a closed path for the flow of current Its feet are good insulators The body is earthed It has high resistance It does not form a closed path for the flow of current Its feet are good insulators The body is earthed ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Thermocouple Photovoltaic cell Heliostats Photodiode Thermocouple Photovoltaic cell Heliostats Photodiode ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Choke' used with a tube light is basically A resistor A capacitor A transformer An inductor A resistor A capacitor A transformer An inductor ANSWER DOWNLOAD EXAMIANS APP
Physics Shock-absorbers are usually made of steel as it : Has lower elasticity Has no ductile property Is not brittle Has higher elasticity Has lower elasticity Has no ductile property Is not brittle Has higher elasticity ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Earth's magnetic field Effect of other magnets Demagnetization due to heating Self-demagnetization Earth's magnetic field Effect of other magnets Demagnetization due to heating Self-demagnetization ANSWER DOWNLOAD EXAMIANS APP