Physics The frequency of direct current is ________ 50 HZ 60 HZ Zero 100 HZ 50 HZ 60 HZ Zero 100 HZ ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It has a very high melting point It is a good conductor It is malleable It is economical It has a very high melting point It is a good conductor It is malleable It is economical ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Copernicus Martin Luther Galileo Johannes Kepler Copernicus Martin Luther Galileo Johannes Kepler ANSWER DOWNLOAD EXAMIANS APP
Physics As water is cooled from 4 deg C to 0 deg C, its density Increases None of these Remains same Decreases Increases None of these Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Neutrons Electromagnetic radiations Alpha particles Electrons Neutrons Electromagnetic radiations Alpha particles Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for locating submerged objects under sea is. Laser Radar Maser Sonar Laser Radar Maser Sonar ANSWER DOWNLOAD EXAMIANS APP
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