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WHAT'S YOUR ENGINEERING QUOTIENT?

Problem 7—For many years, light and radio signals were thought to travel through an "ether" that filled all space. In 1887, a famous experiment was performed that showed if ether existed, it did not affect light. The experiment was later given the name of the men that performed it. What is the name of this experiment and what was the basic principle involved? As a bonus, what property did the famous Millikan Oil-Drop experiment measure?

ANSWER

Problem 8—Consider the voltage divider shown. The supply rail (+V) is a 10-V nominal supply with at +/- 2% tolerance. R1 is a 10k 5% resistor. R2 is a 1k 5% resistor. What are the nominal, maximum and minimum output voltages? What is the tolerance of the output voltage?

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