Physics Superconductors are substances which conduct electricity at low temperature offer no resistance to the flow of electricity conduct electricity at high temperatures offer high resistance to the flow of current conduct electricity at low temperature offer no resistance to the flow of electricity conduct electricity at high temperatures offer high resistance to the flow of current ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To decrease the current flow Ro decrease the voltage momentarily To increase the current flow To decrease the resistance To decrease the current flow Ro decrease the voltage momentarily To increase the current flow To decrease the resistance ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Microwave Infrared Satellite Radio frequency Microwave Infrared Satellite Radio frequency ANSWER DOWNLOAD EXAMIANS APP
Physics The moment of inertia of a body does not depend upon The angular speed of the body The mass distribution in the body The axis of rotation of the body The mass of the body The angular speed of the body The mass distribution in the body The axis of rotation of the body The mass of the body ANSWER DOWNLOAD EXAMIANS APP
Physics Visible light has a higher frequency than Ultra violet All listed here Radio waves X rays Ultra violet All listed here Radio waves X rays ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Sublimation Evaporation Vaporisation Diffusion Sublimation Evaporation Vaporisation Diffusion ANSWER DOWNLOAD EXAMIANS APP