Physics The device used to change the speed of an electric fan is Regulator Rectifier Switch Amplifier Regulator Rectifier Switch Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics A boat will submerge when it displaces water equal to its own: Weight Density Volume Surface area Weight Density Volume Surface area ANSWER DOWNLOAD EXAMIANS APP
Physics One billionth of a second is called Picoseconds Microsecond Nanosecond Millisecond Picoseconds Microsecond Nanosecond Millisecond ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? No change The liquid boils The liquid cools The liquid evaporates No change The liquid boils The liquid cools The liquid evaporates ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 1010 0.001 1 × 10–10 0.01 1 × 1010 0.001 1 × 10–10 0.01 ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lumen Lumen second Lux Candela Lumen Lumen second Lux Candela ANSWER DOWNLOAD EXAMIANS APP