Physics Which of the following features of a tunnel diode is its drawback Instability due to negative resistance Very wide temperature range of operations Very low power consumptions Extremely high frequency response Instability due to negative resistance Very wide temperature range of operations Very low power consumptions Extremely high frequency response ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Car headlights Driving mirrors Shaving mirros Dentists mirros Car headlights Driving mirrors Shaving mirros Dentists mirros ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. None of these Both A & B The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following determines the pitch of a sound? Loudness Amplitude Frequency Wavelength Loudness Amplitude Frequency Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics When a body falls from an aeroplane, there is increase in its Mass Acceleration Potential energy Kinetic energy Mass Acceleration Potential energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics A Fuse wire is characterised by High resistance and high melting point High resistance and low melting point Low resistance and low melting point Low resistance and high melting point High resistance and high melting point High resistance and low melting point Low resistance and low melting point Low resistance and high melting point ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS