The following questions ask you to solve
problems involving topics we’ve covered this week. Work each problem, and post
an image of your work for each question, along with a brief description of how
you solved the problem. Your work should
include a step-by-step solution to the problem.

Question 1

Aluminum has a resistivity of 2.710-8
Ωm. What would be the resistance of 100
m of aluminum wire with a cross-sectional area of 210-4 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?

pur-new-sol

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