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Find the Norton equivalent circuit for the portions of the networks of given figure external to branch a-b.
If a digital ohmmeter can be represented as a 100μAcurrent source and a 3 MΩ parallel resistor, what would the output voltage reading be across resistors of 1 kΩ, 10kΩ, 100 kΩ, and 1 MΩ
Many ink-jet printers have six cartridges for different colored ink: black, cyan, magenta, yellow, light cyan and light magenta. A multibit signal in such a printer indicates selection of one of the colors. Devise a minimal length code for the sig..
(a) Determine free electron and hole concentration.(b) Calculate the effective density of states at valence band, Nv. Given that ni = 1x1010 cm3 and kT = 0.026.
A small buck converter has 24 V input and 12 V output. The transistor has Rds(on) - 0.1 Ohm. The diode is modelled as a 1.0 V drop. Each device has junction to ambient Rtheta(ja) = 40 K/W and Tjunction
given a series electric circuit if R1=1.1kOhms, R2=2.0kOhms, R3=3.3kOhms and the voltage is 12 v what is the voltage across resistor R2 to the nearest decimal
A certain three-port network is lossless and reciprocal, and has S13 = S23 and S11 = S22. Show that if port 2 is terminated with a matched load, then port 1 can be matched by placing an appropriate reactance at port 3.
Sketch a time diagram similar to Figure 3.22 illustrating what happens when a frame gets lost between the sender and the receiver. It should be clear from your diagram how the protocol handles this situation.
A nickel-iron ring withcross-sectional area 0.85cm2 is expected to be driven to itssatur-ation magnetization of 1.1T in a ?eld of 800 A/m. The ?ux density will be measured by an electronic ?ux integrator with input resistance of 1kOhm
What is the bandwidth required so that the modulated signal contains atheist 90% of the power of the unmodulated carrier. A carrier signal c(t) = 10 cos(2pifct) is modulated using a message signal m(t) cos(20pit). The modulation is FM, with kf = 50.
The bit energy to one-sided noise density at a PCM receiver input is 30 dB. Referring to the figure above, determine the approximate detected S/N ratio (in dB) for 8-bit BPSK with a matched filter detector.
An electronic circuit board with lambda(t) = 0.00021 h^-1 is replaced on failure. What is the probability that the third failure will occur by 10000h ( hint: if there were 4 0r more failures by 10000h, that also means there were 3 failures by 1000..
An induction motor has an efficiency of 0.80 when the load is 50 h.p. At this load , both stator copper loss and rotor copper loss are equal to the core losses . The mechanical losses are one -fourth of the no load losses . Calculate the slip.
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