Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Not work at all Work with reduced efficiency Work with increased efficiency Work as efficiently as on the earth Not work at all Work with reduced efficiency Work with increased efficiency Work as efficiently as on the earth ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its diameter Expands It expands or contracts according to its coefficient of expansion Contracts It expands or contracts according to its diameter Expands It expands or contracts according to its coefficient of expansion Contracts ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of the human body (dry condition) is of the order of None of these 102 Ohm 101 Ohm 103 Ohm None of these 102 Ohm 101 Ohm 103 Ohm ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not depend on Temperature of air Density of air Humidity of air Pressure of air Temperature of air Density of air Humidity of air Pressure of air ANSWER DOWNLOAD EXAMIANS APP
Physics On which of the following techniques photostate machine works ? Thermal Image—Making Magnetic Image—Making Electrostatic Image—Making Electromagnetic Image— Making Thermal Image—Making Magnetic Image—Making Electrostatic Image—Making Electromagnetic Image— Making ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is an ohmic conductor? Silicon Germanium Carbon Silver Silicon Germanium Carbon Silver ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS