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In electromagnetic induction a spinning magnet (fluctuating magnetic field) induces _______ into conductive coils, which surround the magnet
electric currents
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The electromagnetic induction principle developed by Michael Faraday in 1831 is important to us because it helped trigger the _________ industry
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James Clerk Maxwell explained Clausius’ entropy as _______
transformation content
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Which of the following is one of the eight great technologies according to Burke:
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Throughout history we have witnessed periods of lasting increases in the rate technological development. All these periodic increases are due to improved _______
communication
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Power = volts x _______
current
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If the power running through a power line is 20,000 watts and the voltage is 1000 volts then what is the current in the line?
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Edison demonstrated the dangers of _______ by electrocuting _______.
AC, animals
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AC electricity was chosen as the preferred form of electrical power from the power plant because its ______ can easily and efficiently be changes using a ______
voltage, transformer
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AC power of 100 volts and 1 ampere enters a transformer with 5 coils and exits the transformer with 25 coils. What is the exiting voltage and current?
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AC can be converted into DC by passing the AC through a ______.
diode
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Sir Isaac Newton told us about gravity and gave us a simple elegant equation to calculate it. The force of gravity is proportional to _____ of two objects and inversely proportion to their _______.
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Daniel Bernoulli told us about the physics of fluids and described it mathematically telling us that [density x velocity2/2) + pressure = constant] which means fluid velocity is inversely related to its pressure. A flying Frisbee floats partly because the velocity of air passing over the frisbee’s _____ is _____ than the air velocity passing the bottom therefore creating higher pressure on the frisbee’s bottom creating lift
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Sulfur and Nitrogen oxides from coal burning combine with water in the atmosphere to form___.
acid rain
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The transistor is a solid state electronic _______ with _____ moving parts.
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Albert Einstein won a Nobel Prize in 1922 for telling us about the photoelectric effect. Which one of Burkes major technologies owes its origin to the photoelectric effect?
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Einstein also told us E=mc2which tells us that the_____ and ______ of an object is directly proportional and interchangeable.
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Antimatter was first observed in 1955. Since then extremely small amounts have been made. When antimatter contacts matter the matter changes into ______.
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If we could convert 2 gram of matter into energy it would be equivalent to about ___ Hiroshima size atomic bombs
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The simple act of observing or measuring a quantum particle like an atom destroys its _____? This is the basis of emerging quantum cryptography technology
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Intel co-founder, Gordon Moore claimed that the number of ______ on a chip could _____ every 24 months. This has since become know as Moore’s Law.
transistors, double
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The N side or cathode of a solid state Si (group 4) diode could be doped with a group _____ element
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Electrical power loss in the transmission cable is equal to resistance x current2. This electrical power is sent at very high voltage to _____. (Hint: remember power = current x volts
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Which of the following is not an option suggested by Burke to cope with the rapid technological changes we face?
keep going the way we have
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. In a diode electrons flow in one direction, from the _____ to the ________.
cathode, anode
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Which of the following persons worked alone with no outside influence or collaborators
no inventor works alone
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In a special type of solid-state diode the N side is higher energy than the P side and under forward bias current flow electrons combine with holes at the junction interface to produce ____.
energy
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The ________ is a solid-state replacement for a vacuum tube
transistor
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Which of the following is a trigger for technological change according to Burke:
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Graphite, diamonds, and buckminsterfullerene are all allotropes of ____
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In the garden hose analogy to electricity the _____ is analogous to resistance (ohms) and the ______ is analogous to volts
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Nuclear fission is the ______ of an element while nuclear fusion is the ______ of small elements to make a large element
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The branch of technology, which deals with dimensions and tolerances of 10-7 meters, especially the manipulation of individual atoms or molecules is called ______.
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Early 20th century, American scientist, inventor and educator responsible for increasing the farmers’ productivity and wealth
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Burke believes that ordinary people are often prevented from sharing in scientific and technological discussions because they
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The development of a near perfect vacuum allowed the development of:
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The uncertainty principle and entanglement theory are topics in __________.
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Light amplification by stimulated emission radiation results in _______.
lasers
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How are communications and technological development related?
directly related
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Why is technology changing faster now than 200 years ago?
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Why is it difficult to predict future technological developments?
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Give a unit of electrical power equivalent to J/s.
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What is the difference between fusion and fission?
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In the simplest terms what were the motivations of A. Einstein, I. Newton, D. Bernoulli and R. Clausius which led to their discoveries?
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Give examples of genetically modified items you may have used recently
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How does a light emitting diode, LED, works?
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In fluid flow, how are pressure and velocity related?
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