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A Na+ ion moves from inside a cell, where the electric potential is -70 mV , to outside the cell, where the potential is 0 V. What is the change in the ion's electric potential energy as it moves from inside to outside the cell?
Now that you have gained some familiarity with solar cells and their characteristics, what are your impressions about the efficiencies of these devices What are some applications for solar cells that are currently being used Why is this technology..
An LED is rated at VF=1.6V to 2.0V at IF=20mA. What value of series resistance is needed to limit the LED current to 20mA when this LED is connected to a 32 v peak source (that is, a source having a peak voltage of 32 v)
What is the total number of electrons transported from the positive electrode to the negative electrode by the charge escalator from the time the battery is first used until it is completely dead?
The design must show all stages used in its development and must be implemented and tested in PSpice and suitable timing waveforms produced.
In comparing the behaviour of an n-channel MOSFET with a p-channel device having identical geometry and threshold voltage, it is found that the n-channel FET has a greater drain current than that of the p-channel FET.
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?
if a balanced, three-phase, 15MW total load is fed by a 138Kv power line at a 0.85 lagging power factor, determine the following. (a) The line current (b) The value of the capacitor in uf per phase, is a wye-connected capacitor bank is used to cor..
Compare a lumped element model of a lossless transmission line (single L and C) with the distributed model. Use the following values for the transmission line in this comparative analysis.
1. Calculate the total (composite) load power factor, true power, reactive power and apparent power. 2. Also calculate the full-load current and the amount of capacitive KVAR needed to bring the overall power factor to .95 lagging.
In animation programs, special effects are achieved by changing the properties of objects. What instruction is used to change the opacity and color properties of objects in the Zeus example world?
Ten multimode glass fibers (n1 = 1.48, n2 = 1.45) are spliced together. Each fiber is 2 km long and has a loss rate 2-dB/km. Each splice adds 1 dB of loss. If the output power of the source is 7 dBm and radiates uniformly in a 60 degree half cone
what is the minimum coefficient of friction that will prevent sliding.
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