Physics A transformer Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy Converts DC to AC Converts AC voltage to D.C. voltage Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy Converts DC to AC Converts AC voltage to D.C. voltage ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because Centre of gravity and centre of equilibrium fall within the feet Resultant weight of buckets is zero Weights of buckets are balanced Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet Resultant weight of buckets is zero Weights of buckets are balanced Centre of gravity falls within the body ANSWER DOWNLOAD EXAMIANS APP
Physics Beta rays emitted by a radioactive material are Charged particles emitted by nucleus Neutral particles The electrons orbiting around the nucleus Electromagnetic radiations Charged particles emitted by nucleus Neutral particles The electrons orbiting around the nucleus Electromagnetic radiations ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves Towards you Away from you Both A & B None of these Towards you Away from you Both A & B None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Iron, water and air Iron, air and water Air, water and iron Water, iron and air Iron, water and air Iron, air and water Air, water and iron Water, iron and air ANSWER DOWNLOAD EXAMIANS APP
Physics Centrifugal force increases with Acceleration Humidity Temperature Pressure Acceleration Humidity Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
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