Two electronics technicians are looking at the representations of a silver atom and a copper atom in the figure above. technician a says that silver and copper are both good conductors because their atoms have single electrons in their outermost orbits. technician b says that silver is a better conductor than copper because the silver atom's free electron is farther from its nucleus than the copper atom's free electron is from its nucleus. which of the following statements is correct?

a. neither of the two technicians is correct.
b. both technician a and technician b are correct.
c. only technician b is correct.
d. only technician a is correct.

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In a heat transfer course, we can derive the equation for the temperature distribution in a flat rectangular plate. in this example, we will look at a plate at steadystate with three sides being held at t1, and one side held at t2. the temperature for any location on the plate, t(x,y), can be calculated by where create a function (prob3_5) that will take inputs of vectors x and y in feet, scalar n, scalars l and w in feet and scalars t1 and t2 in degrees fahrenheit. it will output a matrix t which is the temperature of each x and y locations. t will have the number of columns equal to the number of elements in x and rows equal to the number of elements in y. though this can be done without loops (perhaps more efficiently), your program must use a nested loop.

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