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1. You can choose to connect either a 4:7-kΩ resistor or a 47-kΩ resistor across a 5-V source. Which will draw the least current from the source? What is that current?
2. A model railroader wants to be able to electrically throw a rail switch RSwitch from two different locations. He designs the circuit in Figure P2-4 using two single-pole double-throw switches. Will it work? Explain.
Design a circuit that can detect the pattern '110' in a serial input stream(that is every time pattern is detected, the output is 1, otherwise 0) using a state machine and K-maps. Draw the implementation using SR flip-flops.
one of a handful of planned air car models can hit 68 mph and has a range of 125 miles. it will take only few minutes to refuel at gas station equipped with costume air compressor unit. it should cost around $2 to fill the car's carbon-fiber tanks..
Design a fuzzy logic controller using an ADC input and a DAC output. Implement the system using standard C programming.
An amplifier operating from a single 15-V supply provides a 12-V peak to peak sine wave signal to a 1-k ohm load and draws negligible input current from the signal source. The dc current drawn from the 15-V supply is 8mA.
As usual neglecting edge effects, find the capacitance as a formula containing S,d, e1, ande2. Test that yourformula gives the correct well-known result for the capacitance ofa parallel-plate capacitor with uniform dielectric when you put e1 = e2.
Design a 2-bit counter that, when f = 1, counts in the repeating sequence: 0, 2, 3, and when f = 0, counts in the reverse direction. Use T flip-flops. (a) Construct a state diagram or state table.
determining whether the number divided evenly can be accomplished by determining if there is a remainder. Implement the program using a for loop for the calculations. Additional hint: a break in the loop can make the program simpler, though it is ..
A pn junction diode is reverse-biased when 5V of an external voltage is applied to the p-side of the diode while the n-side is grounded If two pn junction diode are connected in series pointing each other, at least 1.4 V must be applied to turn bo..
Assume the mass of the cup and water to be equal to the mass of water alone. Calculate the normal force FN for 300 g and 150 g.
what is the maximum load current for which the Zener remains in breakdown operation? For half this load current, what is the lowest supply voltage for breakdown opera-tion?
if the energy strored in the fully charged battery is used to lift the battery with 100% efficiency, what height is attained. Assume that the acceleration due to gravity is 9.8 m/s^(2) and is constant with height.
A dc machine is rated 5 hp with V_f = 240 V, V_a = 240 V, r_a = 0.63 ohms, and L_AF = 1.8 H. At rated condtions w_r = 127.7 rads/s and the total resistance of the field circuit is 240 ohms. a) Calculate the rated armature current.
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