Physics Circuit breaker usually operate under Transient state of short-circuit current Steady state of short-circuit current Sub-transient state of short-circuit current After D. C. component has ceased Transient state of short-circuit current Steady state of short-circuit current Sub-transient state of short-circuit current After D. C. component has ceased ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the metals has the maximum thermal conductivity? Aluminium Copper Iron Silver Aluminium Copper Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is used to measure humidity? Psycho Meter Hygrometer Hydrometer Anemometer Psycho Meter Hygrometer Hydrometer Anemometer ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is responsible for the working of Newton's colour disc experiment ? Principle of complementary colour Formation of impure spectra Persistence of vision Formation of pure spectra Principle of complementary colour Formation of impure spectra Persistence of vision Formation of pure spectra ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because It reflects heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It reflects heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Prism Glass slab Concave lens Convex lens Prism Glass slab Concave lens Convex lens ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS