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Q. The gain of an amplifier without feedback is 100 and the gain of an amplifier with feedback is 200. Calculate the feedback fraction. Solution : Voltage gain after feedba
Generate and plot a sampled sine wave with fs=8kHz, of 4 seconds duration, with frequency ?0 = ?/10 and amplitude A = 1.2. The waveform equation is x(n) = A sin n?
Rayleigh criterion; resolving power: A criterion for finding out how finely a set of optics might be able to distinguish. It start with the supposition that central ring of on
A body has a weight W kg on the surface of earth. What will be its weight on the surface of moon in gravitational units of force and SI units? Ans) mass of body=W/g At moon w
Retina It is inner most and sensitive layer. It receives images of near and far objects.
A truck engine mass 5000kg is pulling a trailer mass 1000kg along a level track at an acceleration of 0.01.Resistance are 10N per 1000for the engine 5N per 1000kg for the trailer.
Magnifying Glass: A biconvex lens of short focal length and low power which forms a virtual and magnified image of an object placed with its focal length is known as magnifying
Electrical Properties of Dielectric Material A loss of energy which eventually produces a rise in temperature of a dielectric placed in an alternating electric field is calle
Write the symbol sad truth table of an AND gate define how this gate is realised in practice by using two diodes.
A girl throws a 0.1 kilogram ball at a wall. The ball hits the wall perpendicularly with a velocity of 5 meters per second and then bounces straight back with a velocity of 4 mete
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