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: The heating effect of current alone Both the heating effect of current and hysteresis loss Hysteresis loss alone Intense sunlight at noon The heating effect of current alone Both the heating effect of current and hysteresis loss Hysteresis loss alone Intense sunlight at noon ANSWER DOWNLOAD EXAMIANS APP
Physics Who is the first person to define speed Kepler Galileo Newton Ptolemy Kepler Galileo Newton Ptolemy ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Becomes zero Increases exponentially None of these Remains constant Becomes zero Increases exponentially None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Joule is Equal to 10^5 ergs 10^6 ergs 10^3 ergs 10^7 ergs 10^5 ergs 10^6 ergs 10^3 ergs 10^7 ergs ANSWER DOWNLOAD EXAMIANS APP
Physics Air moves from the region where the air ________ Humidity is low to the region where the humidity is high Pressure is low to the region where the pressure is high Humidity is high to the region where the humidity is low Pressure is high to the region where the pressure is low Humidity is low to the region where the humidity is high Pressure is low to the region where the pressure is high Humidity is high to the region where the humidity is low Pressure is high to the region where the pressure is low ANSWER DOWNLOAD EXAMIANS APP
Physics When a running car stops suddenly, the passengers tends to lean forward because of: Inertia of motion Gravitational force Centrifugal force Inertia of rest Inertia of motion Gravitational force Centrifugal force Inertia of rest ANSWER DOWNLOAD EXAMIANS APP
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