Physics An electric fuse is based on The heating effect of the current The chemical effect of the current The magnetic effect of the current All of these The heating effect of the current The chemical effect of the current The magnetic effect of the current All of these ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to The air outside rushing in to fill the vacuum inside the bulb The chemical reaction between the gases inside the bulb The compressed gases inside rushing out suddenly None of these The air outside rushing in to fill the vacuum inside the bulb The chemical reaction between the gases inside the bulb The compressed gases inside rushing out suddenly None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current decreases with voltage Photo current is constant Photo current increases with voltage Photo electric emission is not possible Photo current decreases with voltage Photo current is constant Photo current increases with voltage Photo electric emission is not possible ANSWER DOWNLOAD EXAMIANS APP
Physics The commonly used coolant in refrigerators is Oxygen Freon Ammonia Nitrogen Oxygen Freon Ammonia Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of radiation has the lowest penetrating ability? Alpha Gamma Beta All of these Alpha Gamma Beta All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°C 0°F 4°F 0°C 4°C 0°F 4°F 0°C ANSWER DOWNLOAD EXAMIANS APP