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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.
Explain Dielectric constant. Dielectric constant: This is also termed as 'Permittivity'. All insulating material possesses an electrical capacitance. Such capacitance of unit d
why armature lamination notched in outer periphery
Q. Illustrate the operation performed by instruction OUT 47 h, AL. Ans: It transfers contents of AL to I/O port 47h. Notice that I/O port number appears as 0047h on the 16 b
transfer function of Lube Oil Cooler Temperature
Q. Give the classification of Oscillators? Depending on the type of the output waveform, oscillators are classified as sinusoidal (or harmonic) oscillators and relaxation osci
When MT 2 is Negative and g is positive In this case gate current flows through junctions P 2 N 2 electrons are injected from N 2 layer to P 2 a result junct
Q. Show Principal source of energy? The principal source of energy comes from the burning of fossil fuels such as coal and oil to generate steam, which drives steam turbines, w
For the amplifier circuit shown in Figure with R i ≅ ∞,R o ≅ 0,A = 10,R L = 100 , and v in = 1 V, calculate the power dissipated in the amplifier if the voltage at the power-s
Q. The current sources in Figure are given to be I A = 30 A and I B = 50 A. For the values of R 1 = 20 ,R2 = 40 , and R3 = 80 , find: (a) The voltage V. (b) The current
Q. What is meant by Thermal Runaway? Explain with reference to a transistor.How is it avoided in circuits? The collector current of a transistor increases with increasing tempe
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