Physics Positive feedback is used in Oscillators None of these Rectifiers Amplifiers Oscillators None of these Rectifiers Amplifiers ANSWER DOWNLOAD EXAMIANS APP
Physics The angle between the ________ and the incident ray is called the angle of incidence. Surface Tangent Reflected ray Normal Surface Tangent Reflected ray Normal ANSWER DOWNLOAD EXAMIANS APP
Physics In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch? To allow the heat to get into the food through the hole To allow the aroma of the food to come out through the holes To allow the microwaves to get into the food through the holes To prevent the steam pressure from bursting open the pouch To allow the heat to get into the food through the hole To allow the aroma of the food to come out through the holes To allow the microwaves to get into the food through the holes To prevent the steam pressure from bursting open the pouch ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Reflection Damped vibrations Forced vibrations Refraction Reflection Damped vibrations Forced vibrations Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which is evidence that supports the dynamo theory? Earth's outer core contains liquid that conducts electricity Earth's core contains a large amount of iron Convection occurs in Earth's inner core Granite and basalt conduct electricity Earth's outer core contains liquid that conducts electricity Earth's core contains a large amount of iron Convection occurs in Earth's inner core Granite and basalt conduct electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit X-rays visible light ultraviolet light radio waves X-rays visible light ultraviolet light radio waves ANSWER DOWNLOAD EXAMIANS APP
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