Physics The unit of intensity of electric field is N/c J/c N/m Volt N/c J/c N/m Volt ANSWER DOWNLOAD EXAMIANS APP
Physics Metals are good conductors of electricity because: They have high melting point. They contain free electrons. All of these The atoms are lightly packed. They have high melting point. They contain free electrons. All of these The atoms are lightly packed. ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Interference Reflection Refraction Polarisation Interference Reflection Refraction Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The heat emitted by the engine The good conducting power of the metal body The double layered wind shield The greenhouse effect The heat emitted by the engine The good conducting power of the metal body The double layered wind shield The greenhouse effect ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Heat protector Voltage unloader Current unloader Surge protector Heat protector Voltage unloader Current unloader Surge protector ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Their temperatures Their masses Their heat contents Whether they are in solid, liquid or gaseous state Their temperatures Their masses Their heat contents Whether they are in solid, liquid or gaseous state ANSWER DOWNLOAD EXAMIANS APP