Physics Positive feedback is used in Rectifiers Amplifiers Oscillators None of these Rectifiers Amplifiers Oscillators None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 70 nm 7 nm 700 nm 0.07 nm 70 nm 7 nm 700 nm 0.07 nm ANSWER DOWNLOAD EXAMIANS APP
Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Audible sounds Infrasonics Ultrasonics Megasonics Audible sounds Infrasonics Ultrasonics Megasonics ANSWER DOWNLOAD EXAMIANS APP
Physics Who indirectly determined the mass of the electron by measuring the charge of the electron? Einstein Millikan Rutherford Thomson Einstein Millikan Rutherford Thomson ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Rectifier Switch Amplifier Regulator Rectifier Switch Amplifier Regulator ANSWER DOWNLOAD EXAMIANS APP
Physics In the case of bodies falling under gravity which of the following remains constant at a given place? All listed here Acceleration Kinetic energy Potential energy All listed here Acceleration Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
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