Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light radio waves visible light X-rays ultraviolet light radio waves visible light X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics A device which is used to limit the current in an electrical circuit is called a Hub Conductor Fuse Grid Hub Conductor Fuse Grid ANSWER DOWNLOAD EXAMIANS APP
Physics Moving electric charge produces : Magnetic field Light rays Heat waves Sound waves Magnetic field Light rays Heat waves Sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Chemical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy Chemical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy Mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics The rice is cooked more quickly in a pressure cooker because Water boils at a higher temperature under pressure. None of these It is covered. Less quantity of water is used. Water boils at a higher temperature under pressure. None of these It is covered. Less quantity of water is used. ANSWER DOWNLOAD EXAMIANS APP
Physics A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank? The liquid surface falls down on the direction of motion and rises up on the back side of the tank The liquid surface falls down only at the center of the tank The surface of the liquid remains horizontal None The liquid surface falls down on the direction of motion and rises up on the back side of the tank The liquid surface falls down only at the center of the tank The surface of the liquid remains horizontal None ANSWER DOWNLOAD EXAMIANS APP
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