7.2 - Power Law

Last updated about 3 years ago
7 questions
2

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

6

Give me an example of an electrical load. Describe how your example would be considered an electrical load.

4
An _______ circuit is simply an energy _______ tool.
4

Give an example, not said in class, about why the average person would care about the rate at which electrical energy flows.

4
Power is the rate at which _______ energy is _______ to a circuit or _______ by a _______ .
8

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!)

8

Predict the appropriate use of parallel or series circuits.

  • wiring in a house
  • burglar alarm
  • want a failure to affect all devices/bulbs
  • need the components to have the same voltage
  • want a failure to not affect all devices/bulbs

  • less wires
  • GFCI recepticals
  • Series Circuit
  • Parallel Circuit
  • Both