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Three cells whose open-circuit voltages are each V are connected in series. What is the open circuit voltage of the series connection? If the same three cells were connected in parallel, what would be the open-circuit voltage of the parallel connection?
If the accoustic impedance of water is 1.49 and for steel is 42.1, what precentage of sound energy is reflected at a water-to-steel interface? 12.5%,86.8%,43.9% or 43.59%.
Determine the decimal value of each of the following SIGNED binary number displayed in the 2's complement form: a. 10011001 b. 01110100 c. 10111111
Suppose we transmitted 5 cos wct for logic one and 15 cos wct for logic zero. Find the maximum signal energy. Design a demodulator and show the detection criterion for the output of the demodulator. Finally, find the bit error-rate.
Calculate the E-field generated at all points by concentric spheres of surface charge that are centered at the origin. Assume that inner and outer sphers have radii ra and rb and surface charge densities Psa and Psb, respectively.
Analysing an RF splitter and power levels, A splitter is a device that has a single input and several outputs. It is used to send a signal to several different locations
2. Compute the symbol error probability for both constellations in terms of the Gaussian error integral Q(x). 3. Compute the bit error probability for both constellations in terms of the Gaussian error integral.
Important information about Frequency Divider, Design a frequency divider circuit that will output three pulse frequencies: 25 kHz, 10kHz, and 2.5kHz. Assume that only a 150 kHz CMOS compatible signal is available for the divider input
Design a counter that will execute the numerical sequence 0, 2, 4, 6,repetitively. Unwanted states should be directed into wanted states that give the simplest logic functions. - Identify the number of required JK D-FLIP FLOP;
How are the left (L) and right (R) signals obtained separately in the radio receiver to drive the dual channel audio amplifier and speakers?
Important information about Electrical Networks, Engine consumes 5kw of power and a reactive power of 2kvar at current of (3+j2) Amps.
Basics problems of Induction motor, The frequency of the induced rotor currents in the rotor of a 60 Hz induction, machine is 2 Hz. Furthermore, the fields in the air gap turn at -40 rpm with respect to the rotor.
Sitting in front of you is a box; you cannot see iside the box. The box has a power cord that is plugged into a working wall socket. There is a wire coming out of the box; the end of the wire outside the box is exposed (not insulated) and is not c..
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