Physics The best material for the core of a transformer is Mild steel Soft iron Hard steel Stainless steel Mild steel Soft iron Hard steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Physics When a number of resistors are connected in series in a circuit, the value of current: Decreases Becomes half Increases Remains the same Decreases Becomes half Increases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 5 Km/Sec. 6 Km/Sec. 15 Km/Sec. 11 Km/Sec. 5 Km/Sec. 6 Km/Sec. 15 Km/Sec. 11 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Ultrasonic sound waves Supersonic sound waves Infrasonic sound waves Micro sound waves Ultrasonic sound waves Supersonic sound waves Infrasonic sound waves Micro sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Mica is used in electrical appliances such as electric iron because mica is a good conductor of heat but a bad conductor of electricity a bad conductor of heat but a good conductor of electricity a bad conductor of heat as well as electricity a good conductor of heat as well as electricity a good conductor of heat but a bad conductor of electricity a bad conductor of heat but a good conductor of electricity a bad conductor of heat as well as electricity a good conductor of heat as well as electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise Sun appearing red at sunset Sun appearing higher in the sky than it actually is Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise Sun appearing red at sunset Sun appearing higher in the sky than it actually is ANSWER DOWNLOAD EXAMIANS APP