Physics A doppler effect occurs when a source of sound moves Both A & B None of these Towards you Away from you Both A & B None of these Towards you Away from you ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts DC to AC Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy Converts AC voltage to D.C. voltage Converts DC to AC Is used to decrease or increase AC voltage Converts electrical energy into mechanical energy Converts AC voltage to D.C. voltage ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.2 km, 0.20 km 3.3 km, 0.30 km 2.8 km, 0.25 km 1.8 km, 0.15 km 2.2 km, 0.20 km 3.3 km, 0.30 km 2.8 km, 0.25 km 1.8 km, 0.15 km ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels fastest in Diamond Water Glass Air Diamond Water Glass Air ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Flow of water Production of steam Burning of diesel Burning of coal Flow of water Production of steam Burning of diesel Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic field lines about a current-carrying wire Circle the wire in closed loops Extend radially from the wire Both of these None of these Circle the wire in closed loops Extend radially from the wire Both of these None of these ANSWER DOWNLOAD EXAMIANS APP
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