Physics Where is a transistor most likely to be found ? Fuse Wrist watch Hearing aid Fluorescent lamp Fuse Wrist watch Hearing aid Fluorescent lamp ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Will increase Will decrease Varies with the increase of depth of the immersion of the iron piece Does not change Will increase Will decrease Varies with the increase of depth of the immersion of the iron piece Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts AC to DC is Oscillator Amplifier Rectifier None of these Oscillator Amplifier Rectifier None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers 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 Increases bandwidth and increases noise Decreases bandwidth and decreases noise Decreases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following laws validates the statement that matter can neither be created nor destroyed ? Law of conservation of mass Le Chatelier's Principle Law of osmosis Law of conservation of energy Law of conservation of mass Le Chatelier's Principle Law of osmosis Law of conservation of energy ANSWER DOWNLOAD EXAMIANS APP