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A mixture consisting of 0.100 mole N2, 0.050 mol O2, 0.200 mole CH4, and an unknown amount of CO2 occupied a volume of 11.1 L at 27°C and 1.00 atmpressure. How many moles of CO2 are there in this sample?
A semiconductor, in thermal equilibrium, has a hole concentration of p0 = 2x1016 cm-3. The minority carrier life time = 3x10-7 s. (Assume, ni = 1010 cm-3)
A 60-Hz, single-phase transmission line has a length of 80 miles. Its shunt conductance (G) is 3.4A1011 S/mile, resistance (R) is 0.1 OHMS/mile, capacitance (C) is 16 pF/mile, and inductance (L) is 0.56 mH/mile.
What is the peak frequency deviation of the FM signal? What is the FM improvement in dB?
The signal m(t)=6sin(2*pi*t) volts is transmitted using 4-bit binary PCM system. The quantizer is of the midriser type, with a step size of 1v
Explain the structure and nature of the ionosphere with reference to daily, seasonal and long-term changes and explain the modes of propagation of radio waves of different frequencies
Consider a signal x(t) = 10 cos(2pi*fct + 4 cos 2pi*fmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when.
How many voice channels are carried by a E1 transmission given 8 kHz sampling and 8 bit words? Why is an end of frame marker always required in a digital telephony system?
A coaxial cable has a loss of 5.6 dB at a frequency f. A signal at f has ans rms amplitude of 1.7 mV at the cable input. What is the rms amplitude after it has traveled the length of the cable
The simple inexpensive hydro turbo-generator (turbine mated with electric generator) that you intend to buy has a working efficiency of 60%. Answer the following (show your work).
Describe why interrupts are not appropriate for implementing synchronization primitive in multiprocessor systems.
The problem should be because Martians were using a non-decimal number system. Therefore, "50" is not fifty, but "50" in base b (50b=5×b+0×1=5b). The explorers reflected on the way in which Earth's number system developed.
A certain transistor is to be operated at a collector current of 50mA. How high can VCE go without exceeding a PD(MAX) of 1.2W?
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