Physics The device used to change the speed of an electric fan is Amplifier Switch Rectifier Regulator Amplifier Switch Rectifier Regulator ANSWER DOWNLOAD EXAMIANS APP
Physics As we go from Equator to North pole the value of ''g', the acceleration due to gravity Increases None of these Decreases Remains the same Increases None of these Decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Physics A television channel is characterised by Velocity of transmitted signal Physical dimension of television screen Frequency of transmitted signal Size of picture tube Velocity of transmitted signal Physical dimension of television screen Frequency of transmitted signal Size of picture tube ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear Reactors are based on which of the following phenomenon? Nuclear Fusion Controlled Nuclear Fission None of these Magnetic confinement of Plasma Nuclear Fusion Controlled Nuclear Fission None of these Magnetic confinement of Plasma ANSWER DOWNLOAD EXAMIANS APP
Physics The plastic material commonly used for making gear wheels is Nylons Bakelit Polystyrene Polyesters Nylons Bakelit Polystyrene Polyesters ANSWER DOWNLOAD EXAMIANS APP
Physics Which is evidence that supports the dynamo theory? Granite and basalt conduct electricity Earth's outer core contains liquid that conducts electricity Earth's core contains a large amount of iron Convection occurs in Earth's inner core Granite and basalt conduct electricity Earth's outer core contains liquid that conducts electricity Earth's core contains a large amount of iron Convection occurs in Earth's inner core ANSWER DOWNLOAD EXAMIANS APP