Tuesday, January 29, 2013

Series & Parallel Circuits - Video to assist assignment

Check out this video and think about the questions that follow. The questions below and a few more now form a review assignment (given on Feb.7, available on our google drive).  For extra tutorial, go to facile learning, we recommend lesson 15 topics #1, 2, 3 for voltage, current and resistance in circuits and #5 for some practice with series circuit calculations. (note: equivalent resistance in a parallel circuit will not be tested but if you're interested, please look!)
 


Part A:Compare Series and Parallel Circuits

                                                                    series circuit                           parallel circuit
1.  How many loops are there?

2.  (a) Brightness of 1 bulb?
     (b) Brightness of 2 bulbs?

3. What happens to the circuit when a bulb blows?

4. What happens to the current when a bulb is added?

Part B: General questions.
5. What is the disadvantage to using parallel circuits?
6. How do you check current (how do you connect an ammeter to the circuit)?
7. How do you check voltage (how do you connect an voltmeter to the circuit)?

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