Inductive Reactance, XL.
The RF amplifier of a receiver has an input resistance of 1000, and equivalent shot-noise resistance of 2000 n a gain of 25, and a load resistance of 125 k. Giver that the bandwidth is 1. ... amplifier. If this receiver is connected to an antenna with an impedance of 75%, calculate the noise figure.
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Find the rotor current frequency of 4-pole, 3-phase, 60Hz, induction motor operating at a speed of 1500 rpm. a. 5 b. 4 c. 7 d. 10