Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 0.41666666666667 8.5 A 24 A 0.41666666666667 8.5 A 24 A ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan gives cool air. Fan cools surrounding air. We feel cool when air touches the body. Air vapourises the sweat on our body. Fan gives cool air. Fan cools surrounding air. We feel cool when air touches the body. Air vapourises the sweat on our body. ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Which conduct electricity only at super-high temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to measure the speed of the wind is Chronometer Dosimeter Altimeter Anemometer Chronometer Dosimeter Altimeter Anemometer ANSWER DOWNLOAD EXAMIANS APP
Physics The metal whose electrical conductivity is more, is Copper Lead Aluminium Silver Copper Lead Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A short focus concave lens A long focus concave lens A short focus convex lens A long focus convex lens A short focus concave lens A long focus concave lens A short focus convex lens A long focus convex lens ANSWER DOWNLOAD EXAMIANS APP