Physics A person does some work of 1,000 J in 2 s. His power will be ________ 50W 1000W 25W 500W 50W 1000W 25W 500W 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: Hysteresis loss alone The heating effect of current alone Both the heating effect of current and hysteresis loss Intense sunlight at noon Hysteresis loss alone The heating effect of current alone Both the heating effect of current and hysteresis loss Intense sunlight at noon ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Paddling the bicycle to cover a distance Driving a car to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Paddling the bicycle to cover a distance Driving a car to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake ANSWER DOWNLOAD EXAMIANS APP
Physics For Gamma radiation, what stops its penetrating abilities? Steal Lead Concrete All of these Steal Lead Concrete All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following never occurs singly in nature? Force Momentum Inertia Velocity Force Momentum Inertia Velocity ANSWER DOWNLOAD EXAMIANS APP