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 What is found in frequency modulation ? Fixed frequency Change in frequency and dimension Fixed dimension Change in dimension only Fixed frequency Change in frequency and dimension Fixed dimension Change in dimension only ANSWER DOWNLOAD EXAMIANS APP
Physics Water from soil enters into the root hairs owing to : Root pressure Osmotic pressure Atmospheric pressure Capillary pressure Root pressure Osmotic pressure Atmospheric pressure Capillary pressure ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor The base has the least concentration of impurity The emitter has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The collector has the least concentration of impurity The base has the least concentration of impurity The emitter has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The collector has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is the unit used for Intensity of heat Intensity of sound Speed of light Radio wave frequency Intensity of heat Intensity of sound Speed of light Radio wave frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Which metal is the best conductor of heat? Silver Gold All of these Copper Silver Gold All of these Copper ANSWER DOWNLOAD EXAMIANS APP
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