Physics A single fixed pulley is used to draw water from a well because Force is applied in a convenient direction Efficiency is 100% Velocity ratio is low Mechanical advantage is high Force is applied in a convenient direction Efficiency is 100% Velocity ratio is low Mechanical advantage is high ANSWER DOWNLOAD EXAMIANS APP
Physics What is the source of energy for the water cycle? Sun Clouds Rain water Animals Sun Clouds Rain water Animals ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor The base has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The collector has the least concentration of impurity The base has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The collector has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appears to move from east to west because All stars move from east to west The background of the stars moves from west to east The earth rotates from west to east The earth rotates from east to west All stars move from east to west The background of the stars moves from west to east The earth rotates from west to east The earth rotates from east to west ANSWER DOWNLOAD EXAMIANS APP
Physics Dioptre is the unit of Power of a lens Light intensity Focal length of a lens Sound intensity Power of a lens Light intensity Focal length of a lens Sound intensity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS