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Two charged, parallel, flat conducting surfaces are spaced d = 2.10 cm apart and produce a potential difference ΔV = 500 V between them. An electron is projected from one surface directly toward the second. What is the initial speed of the electron if it stops just at the second surface?
The current in the bulb depends on the time t according to the relation I = (0.807 A) sin [(272 rad/s)t]. (a) What is the frequency of the alternating current (b) Determine the resistance of the bulb's filament. (c) What is the average power deliv..
Why can't a video signal such as an NTSC analog television signal be transmitted over a two km length of loaded twisted pair cable with a frequency range 300 Hz to 3,400 Hz? What is the bandwidth occupied by an NTSC video signal?
Bit 4 of Port B is connected to a switch that normally outputs a zero. Monitor this switch to detect a change from zero to one. Immediately when it becomes one, call a function to toggle Bit 5 of Port B, which is connected to an LED.
A voltage source Vs = 10 V is in series with a resistor of 10 kOhm. If the source transformation theorem is applied, what will the value of the current source be in mA
calculate ratio of the area to volume for unit cube, a unit sphere inscribed inside the cube and as right cylinder inscribed inside the cube.
Predict how much time it would take a processor to access each memory location in a 64-bit address bus when the clock speed of the processor is 4 GHz and the memory speed is not the limiting factor
A school has 100 lockers and 100 students. All lockers are closed on the first day of school. As the students enter, the first student, denoted by S1, opens every locker. Then the second student, S2, begins, with the second locker denoted L2, and ..
A dc power distribution cable has two #6 copper wires. The copper wire table in the textbook lists each wire as having resistance of Ro=.4028 ohms per thousand feet at temperature of 25C. The temperature coefficient of copper is alpha=.004 per C.
Three parallel three-phase loads are supplied from a 207.85-V rms, 60-Hz three-phase supply. The loads are as follows: Load 1: A 15 hp motor operating at full load, 93.25 percent efficiency, 0.6 lagging power factor.
A particular inverting amplifier with nominal gain of -100 V/V uses an imperfect op amp in conjunction with 100-k ohm and 10-M ohm resistors. The output voltage is found to be +9.31 V when measured with the input open and +9.09 V with the input gro..
A buck converter has Vs=30 V, Vo=20 V, and a switching frequency of 40 kHz. The output power is 25 W. Determine the size of the inductor such that the minimum inductor current is 25 percent of the average inductor current.
Describe in you own words how a modem works and what steps the data goes through to be sent from one terminal to another via modem.
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