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Unit 07 Practice Test

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Last updated over 3 years ago
15 questions
4
4
2
4
4
8
8
6
4
2
4
2
4
2
2
Question 1
1.

Fill in the blanks.

Question 2
2.

Fill in the blanks.

Question 3
3.

In an electrical circut, a high rate of charge flow will lead to a ________________

Question 4
4.
An _______ circuit is simply an energy _______ tool.
Question 5
5.
Power is the rate at which _______ energy is _______ to a circuit or _______ by a _______ .
Question 6
6.

How much does it cost to power a toaster that draws 6 amps of current for 45seconds when plugged into a 120-volt outlet? ( Remember, Centerpoint charges you about $0.16/kWh)

(There are multiple ways to get the correct answer, make sure you can justify with your shown work!)

Question 7
7.

Predict the appropriate use of parallel or series circuits.

  • want a failure to not affect all devices/bulbs
  • burglar alarm
  • want a failure to affect all devices/bulbs
  • less wires
  • GFCI recepticals
  • wiring in a house
  • need the components to have the same voltage
  • Series Circuit
  • Parallel Circuit
Question 8
8.

Match the left definition with the appropriate term on the right.

  • measure of the resistance to electrical flow
  • = I*R
  • measure of the electrical push through a wire
  • = V/I
  • measure of how much electricity is being pushed
  • = V/R
  • Ohms
  • Current
  • Volts
Question 9
9.

In Ethan's phone charging example, what had to remain the same within the experiment?

Question 10
10.
Ohm's on a Volts vs. Amps graph is the __________.
Question 11
11.

What is the resistance of the wire that produced these results?

Question 12
12.

Where is the electrical resistance the lowest?

Question 13
13.

What is the electrical resistance within this diagram?

Question 14
14.

Which of these has the lowest resistance?

Question 15
15.

What can affect eletrical resistance?