Physics In case of uniform circular motion, the acceleration is Variable in magnitude but tangential to the circle Zero Constant in magnitude and directed radially inwards Variable in magnitude but constant in direction Variable in magnitude but tangential to the circle Zero Constant in magnitude and directed radially inwards Variable in magnitude but constant in direction ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 80 db Above 30 db Above 50 db Above 120 db Above 80 db Above 30 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
Physics Hydroscope is an instrument that shows changes in: None of these Atmospheric humidity Density of liquid Sound under water None of these Atmospheric humidity Density of liquid Sound under water 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 Intense sunlight at noon The heating effect of current alone Hysteresis loss alone Both the heating effect of current and hysteresis loss Intense sunlight at noon The heating effect of current alone Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
Physics The fundamental scientific principle in the operation of battery is Dialysis Oxidation-reduction Acid-base interaction Dissociation of electrolytes Dialysis Oxidation-reduction Acid-base interaction Dissociation of electrolytes ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Amplifier Microphone Transmitter Speaker Amplifier Microphone Transmitter Speaker ANSWER DOWNLOAD EXAMIANS APP