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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. Given ¯B = (y ¯ax - x ¯ay )/(x 2 + y 2 ) T, determine the magnetic force on the current element Id ¯l = 5 × 0.001¯a A located at (3,4,2).
a) Sketch the variation of electron concentration with temperature for i) an n-type semiconductor doped with 1021 donors m-3 ii) an intrinsic semiconductor. b) Expla
Q. Why do we cascade amplifiers? Why is RC coupling the most widely used coupling between 2 stages of a cascading amplifier? The voltage or power gain or frequency response obt
Q. The K map of a logic function is shown in Figure. (a) Obtain a POS expression and its corresponding realization. (b) For the purpose of comparison, obtain the correspondin
The Octal Inverter 74LS 240 It is similar to above octal buffer but with inverter output. The logic diagram is shown in figure below . Normal 0
if the prime mover input of an alternater connected directly to an infinite bus in increased,then its?
Q. Working of Electrically erasable programmable rom EEPROM is used for remote-area applications. The device is provided with special pins which, when activated electrically, a
Define permanent magnet A permanent magnet is a piece of ferromagnetic material (like as iron, nickel or cobalt) which has properties of attracting several pieces of these mater
i need to submit a still model or a working model on science day(28 February). can you help me....
Describe the construction and working of atleast two types of storage CRO
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