Friday 8 November 2013

Nov. 8 – Review Power, Efficiency, Studying Strategies


To help you for the quiz here are some helpful studying tips:

Studying Tips

  • Start early!
  • Do a little bit each day.
  • Give yourself a time limit and try to do the problems without looking at the solutions.
  • Write your own test questions.
DO NOT wait until the last minute.
DO NOT look at the answers first.
DO NOT memorize the text book.
DO NOT memorize formulas (you will get a formula sheet!)

Quiz Topics

  • Electric Current
  • Electric Potential Difference
  • Power
  • Percent Efficiency
  • Measuring Current and Potential Difference
  • Cost of Electricity

Review

Here are some handouts to help you review for Power and Efficiency,

There is one new item for today:


Power can be calculated if you know the current and electric potential difference.

To help you guys with reviewing and thinking about the quiz, I asked each of you to write your own questions that you think will be good for the quiz.  I will take one of the best ones and put it on the quiz!  So have a look at what your fellow students wrote.

Student Question:

A laptop computer uses a 80W adapter when it is plugged in.  Electricity costs 8 cents /kWh how much would it cost to use the laptop for 1 year for 6 hours a day.

More student questions:
Even more review!
  • Effectively study for the quiz.

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