Physics A person does some work of 1,000 J in 2 s. His power will be ________ 50W 1000W 500W 25W 50W 1000W 500W 25W ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because The body is earthed Its feet are good insulators It does not form a closed path for the flow of current It has high resistance The body is earthed Its feet are good insulators It does not form a closed path for the flow of current It has high resistance ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics In a magnetic field, the direction of motion of a current carrying conductor is given by Lenz's rule Flemings left hand rule Maxwell's right hand rule Kirchoff's law Lenz's rule Flemings left hand rule Maxwell's right hand rule Kirchoff's law ANSWER DOWNLOAD EXAMIANS APP
Physics Lux is the SI unit of luminous efficiency luminous flux intensity of illumination luminous intensity luminous efficiency luminous flux intensity of illumination luminous intensity ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Temperature Humidity Pressure Density Temperature Humidity Pressure Density ANSWER DOWNLOAD EXAMIANS APP
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