Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Whose conductivity is intermediate between metals and insulators ANSWER DOWNLOAD EXAMIANS APP
Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Electrostatic force Friction Muscular force Magnetic force Electrostatic force Friction Muscular force Magnetic force ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. ANSWER DOWNLOAD EXAMIANS APP
Physics One billionth of a second is called Microsecond Millisecond Picoseconds Nanosecond Microsecond Millisecond Picoseconds Nanosecond ANSWER DOWNLOAD EXAMIANS APP
Physics Sprayer functions on Pascal's law Floatation principle Archemede's principle Bernouli's principle Pascal's law Floatation principle Archemede's principle Bernouli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Tesla Decibel Heartz Newton Tesla Decibel Heartz Newton ANSWER DOWNLOAD EXAMIANS APP