Physics: Electricity Exercises

DUE: Friday, September 6

 

Electricity Exercises

 

Work each problem on paper or Microsoft Word, along with a brief description of how you solved the problem.

 

Your work should include a step-by-step solution to the problem.

 

Please include any free body diagrams that help you explain your answers.

 

Question 1
Aluminum has a resistivity of 2.7*10-8 Ωm.  What would be the resistance of 100 m of aluminum wire with a cross-sectional area of 2*10-4 m2?

 

Question 2
A 10 ohm resistor and a 20 ohm resistor are connected in parallel.  What is the equivalent resistance of this setup?

 

Question 3
A 4 ohm resistor and 10 ohm resistor are connected in series.  If this circuit is connected to a 12 V battery, how much current will flow through the circuit?

 

Question 4
A 30 ohm resistor is connected to a 1.5 V battery.  How much power is dissipated by the resistor?

 

Question 5
Two point charges, each 6*10-5 C, are separated by 30 cm.  What is the electrostatic force produced by this arrangement?

 

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Overpopulation and Hunger – Top Premier Essays

What attempts are underway today to solve the problems of overpopulation and world hunger identified by David Ricardo and Thomas R. Malthus?  Give examples and support with details drawing upon the work of scholars.
 
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Need two paragraphs and two references for each discussion question.

Week 1 Discussion 2

” The Life of an Entrepreneur” Please respond to the following:

From the e-Activity, describe the personality characteristics of an entrepreneur. Evaluate whether or not you have the required personality characteristics to be an entrepreneur.

Determine a set of lifestyle challenges that may be faced by a budding entrepreneur. Asses the options available to overcome the challenges that impact the entrepreneur’s family and living situations.

 

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