Physics The device used to change the speed of an electric fan is Amplifier Regulator Rectifier Switch Amplifier Regulator Rectifier Switch ANSWER DOWNLOAD EXAMIANS APP
Physics The width of depletion layer of a P-N junction Is independent of applied voltage Increases with heavy doping Decreases with light doping Is increased under reverse bias Is independent of applied voltage Increases with heavy doping Decreases with light doping Is increased under reverse bias ANSWER DOWNLOAD EXAMIANS APP
Physics Alternating current is converted into direct current by a Oscillator Rectifier Transformer Dynamo Oscillator Rectifier Transformer Dynamo ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? Neither Both 100 W 25 W Neither Both 100 W 25 W ANSWER DOWNLOAD EXAMIANS APP
Physics Sending a frame to a group of stations is known as Casting Multicasting Spreading Single casting Casting Multicasting Spreading Single casting ANSWER DOWNLOAD EXAMIANS APP
Physics In beta decay what is emitted Proton Neutron All of these Electron Proton Neutron All of these Electron ANSWER DOWNLOAD EXAMIANS APP