Physics Rolling friction is caused by ________ Power dissipation Gravity Non-elastic effects Buoyancy Power dissipation Gravity Non-elastic effects Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnet is constructed with which of the following ? Steel Nickel Soft Iron Aluminium Steel Nickel Soft Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be < P P 2P > P < P P 2P > P ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Metal Air Water Vacuum Metal Air Water Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics What is the principle of a ''Life Jacket"? It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft ANSWER DOWNLOAD EXAMIANS APP
Physics Clouds float in the atmosphere because of their Low density Low pressure Low temperature Low viscosity Low density Low pressure Low temperature Low viscosity ANSWER DOWNLOAD EXAMIANS APP
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