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Find the induced voltage across a 50-mH inductor if the current through the coil changes at a rate of 0.1 mA/µs.
Find the force the electron exerts on a dust particle, charged with a total charge of 3.2 x 10-19 C (two protons) and located at a distance R from the electron.
A terrestrial radio link transmits a CDMA signal from a base station using a spreading code with a chip rate of 1.0 Mchips per seconds. The message data rate of the signal is 10 kbps.
The amplifier has a Thévenin voltage of 25[Vrms], and a Thévenin resistance of 0.275[O]. Find the turns ratio for the transformer, so that the maximum possible power is delivered to the speaker.
A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 13.5 cm, giving it a charge of -13.9 µC. (a) Find the magnitude of the electric field just inside the paint layer
consider a cmos inverter followed by a wire of length l. assume that in the reference design inverter and wire
Given the following IIR system with zero initial conditions: y[n]=0.2 x[n]- 0.5y[n-1] -0.06y[n-2] a)find the first five samples of the impulse response b) find the first five step response
A 4 to 20mA control signal is loaded by a 100Ohm resistor and must produce a 20 to 40V motor drive signal. Develop the equation relating the input current to the output voltage.
ETEC 6414 Sensors and Wireless Communications, Assignment 1(a) –Sensor Circuit, Develop a Sensor Circuit using commodity components
Derive a rule to estimate the network resistance when one of the resistors has a much smaller resistance than the other two and derive a rule to estimate the network resistance when two of the resistors have much smaller values.
Consider the battery charging circuit shown in Figure. The ac source has a peak value of 24 V and a frequency of 60 Hz. The resistance is 2 Ω, the diode is ideal, and VB = 12 V. Determine the average current.
Consider a diode biased at 1 mA. Find the change in current as a result of a changing the voltage by (a) -10 mV, (b) -5 mV, (c) +5mV, (d), +10mV. In each case, do the calculations (i) using the small-signal model and (ii) exponential model.
A practical source delivers 50mA to a 300Ω load. The source delivers 12V to a 120Ω load. Find the maximum power available from the source.
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