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Q. Consider a full-wave single-phase bridge recti?er circuit with dc motor load, as shown in Figure (a). Let the transformer turns ratio be unity.
Let the load be such that the motor draws a ripple free armature current of Ia. Given the waveforms for the input current and input voltage of the recti?er, (b), determine: (i) harmonic factor HF of the input current, and (ii) input power factor PF of the recti?er.
Q Find the diameter of a circular waveguide that will have a lower cutoff frequency of 10 GHz and also specify its largest usable frequency.
Hybrid Model for Two-port Network:- V 1 = h 11 i 1 + h 12 V 2 I 2 = h 1 i 1
(a) List three types of Multiplexing techniques. (b) Give two advantages of "Multiplexing". (c) Given the total duration for the signal is 8 ns. What is the bit rate for
explain nyquist rate?
what is finger voltage?
Q. An antenna with an effective noise temperature of 130 K couples through a waveguide that has a loss of 0.8 dB to a receiver. Find the effective noise temperature presented by th
Q. Write a note on emitter follower? The emitter follower (EF) configuration is shown The emitter follower (EF) configuration is shown The EF amp has a voltag
Low-pass electronic filter: The capacitors and inductors are the reactive elements of the filter. The number of elements ascertains the order of the filter. In this situation,
Q. Explain AC voltage controllers? Common applications for these controllers are found in fan, pump, and crane drives. Figure shows three-phase symmetrical ac voltage-controlle
The Octal Butters 74LS244 It has two group of four buffer with no inverted tri state output , controlled by two active low enable lines (1G and 2G) as shown in figur
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