Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Current unloader Surge protector Voltage unloader Heat protector Current unloader Surge protector Voltage unloader Heat protector ANSWER DOWNLOAD EXAMIANS APP
Physics A device used for converting a.c. into d.c. is called Induction coil Rectifier Dynamo Transformer Induction coil Rectifier Dynamo Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Good absorber and good reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Production of steam Flow of water Burning of diesel Burning of coal Production of steam Flow of water Burning of diesel Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Physics The surface tension of water on adding detergent to it Decreases Becomes zero Increases No change Decreases Becomes zero Increases No change ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Increases bandwidth and increases noise Decreases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and decreases noise Increases bandwidth and increases noise Decreases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and decreases noise ANSWER DOWNLOAD EXAMIANS APP