Reference no: EM13963308
1)
a) What is the purpose of the lightning rod and how does it work?
b) Why is the car interior a safe place to be during a thunderstorm? Explain.
2)
a) In a typical household electrical circuit are the appliances connected in series or in parallel? Why? Explain.
b) What are the purpose and role of a circuit breaker in a household circuit?
c) How is the circuit breaker connected to the rest of the circuit: in series or in parallel?
d) How does the circuit breaker work?
e) What are the purpose and role of a fuse in an appliance?
f) How does the fuse work?
g) Sketch a diagram of a household circuit consisting of a circuit breaker, a TV set, a dishwasher, and a computer.
h) If the TV set draws 150 W of power, the dishwasher 1500 W of power and the computer 100 W of power, will a typical 15 A circuit breaker trip if they operate simultaneously on one line? Explain why.
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Compare the risk principle and need principle
: Compare and contrast the risk principle and need principle. Determine which offenders probation officers should spend most of their time with, high risk or low risk offenders
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The resistance can be hazardous and cause fire
: An office worker wants to plug in a 3000 watt 110 Volt heater into a standard 15 amp, 110 V electrical outlet. Would this be safe
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Develop a research study on the selected topic
: You may choose a topic in corporate finance, international finance, investment analysis, or derivatives and Develop a research study on the topic.
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How does mild hypoxia affect airline crew
: Write a proposal in maximum 1500 Words for dissertation which is about Mild Hypoxia. Research question is : How does mild hypoxia affect airline crew? or it could be: How does Mild Hypoxia affect aircrew? Dissertation is basically going to be a syste..
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How does the circuit breaker work
: How is the circuit breaker connected to the rest of the circuit: in series or in parallel?
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Implement an adversarial system
: Imagine you are a judge on the Supreme Court of a nation. The country's trial-by-jury court procedure is currently under judicial review. The majority of the judges would like to implement an adversarial system
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Determine speed of the ball relative to stationary person
: Consider a bike moving with a speed of 0.80 past a stationary person. If the rider fires an object in the direction in which he is moving with a speed of 0.70 relative to himself, determine the speed of the ball relative to the stationary person.
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What is the relative velocity of the spaceships
: Two spaceships, each of proper length 100 m, pass near each other heading in opposite directions. If an astronaut at the front of one ship measures a time interval of 2.50 x 10^-6 sec for the second ship to pass him, then what is the relative velo..
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Which of the following wires would have the least resistance
: A flashlight bulb with a potential difference of 4.5 V across it has a resistance of 8.0 ohm. How much current is in the bulb filament?
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