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Q. In an AM transmitter that transmits a total power of 1 kW, the unmodulated carrier power is 850 W. Compute the required value of (Si /Ni )AM at a receiver, if (S0/N0)AM = 2ηAM(Si /Ni )AM must be 103 for good performance.
Q. Illustrate Core Losses in magnetic core material? Iron-core losses are usually divided into two components: hysteresis loss and eddy-current loss. The former is proportional
Explain the operation of IRET instruction. What memory locations contain the vector for an INT 34 instruction? The Interrupt return (IRET) instruction is utilized only along w
voice signal is measured at 3.21692v and resides in an interval from 3.20v to 3.30. How big is an interval? MAx possible voltage?
find the net value of power if an average value of energy is assumed to be $0.05/KWh, the capacity value is $30/kw-yr ...
Each year the University computer society holds a „virtual fair? in Second Life in order to raise money for charity. The main attraction at the event is a lucky dip, where attendee
An audiomessage is band-limited to 15 kHz, sampled at twice the Nyquist rate, and encoded by a 12-bit natural binary code that corresponds to Lb = 212 = 4096 levels, all of which s
What is the difference among 8085 and 8086 in microprocessor? Ans) 8086 has a special concept known as memory segmentation. It permits parallel processing, whereas 8085 does no
Q. A rectangular air-?lled RG-52/U is made of brass (ρ = 3.9 × 10-8 m) and has dimensions a = 22.86 mm and b = 10.16 mm. (a) Determine ¯ Z0(= R0) at the limits of the practica
if load is removed so which motor will run fast? series or shunt?
The armature of a d.c. machine has a resistance of 0.3 and is connected to a 200V supply. Calculate the e.m.f. generated when it is running (a) as a generator giving 80A (b) as a
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