Physics - CASTLE Section 3 - Summative Quiz (2018-2019)
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by William Wallace
| 20 Questions
Note from the author:
Section 3 quiz for CASTLE electricity curriculum
1
10
Draw a diagram of the external and internal physical structure of a capacitor and describe it in words.
2
10
A visual representation of a circuit is shown below. On the right, sketch the corresponding schematic diagram.
3
10
How are a Genecon and a battery similar when they are connected to a circuit? How are they different? Use the terms “charge” and “energy” in your comparison.
4
10
When a capacitor is discharged, where does the charge “go back to”? Note: focus on the capacitor and how charge flows in and out of the capacitor (refer to the capacitor plates) during charging and discharging>
5
10
Based on your lab activities and class discussion, draw arrows along the wires to indicate the direction and rate of charge flow (more parallel arrows for greater flow) during charging (as in Figure A) and during discharging of the capacitors (as in Figure B). Also draw starbursts on each bulb to show bulb brightness at the first moment of completing the circuit (last wire connected).
6
10
Explain how your answer might be different if the battery cells you were using were quite old and ‘run-down’. Compare what you would observe for charging versus discharging.
7
10
A capacitor is charged through two bulbs (Figure 7a) and then discharged through a single bulb (Figure 7b). Show appropriate starbursts and arrowtails for the bulbs in each circuit.
Mark each of the following statements as True or False (T or F). If a statement is False, re-write it as a correct statement in the follow-on question.

Note that all bulbs are identical.
8
10
The same amount of charge flows during charging and discharging.
True
False
9
10
Referring to your answer to the previous question, if false, rewrite the statement to make it true. Go beyond just rearranging words to write a true statement with specificity and detail.

If true, write the word "true" - all lower case; no period.
10
10
The rate of charge flow is faster through the single bulb than through the two bulbs.
True
False
11
10
Referring to your answer to the previous question, if false, rewrite the statement to make it true. Go beyond just rearranging words to write a true statement with specificity and detail.

If true, write the word "true" - all lower case; no period.
12
10
Since all bulbs are identical, their brightness is the same for both Figure 7a and Figure 7b.
True
False
13
10
Referring to your answer to the previous question, if false, rewrite the statement to make it true. Go beyond just rearranging words to write a true statement with specificity and detail.
If true, write the word "true" - all lower case; no period.
14
10
The total resistance of the two bulbs is greater than that of the single bulb.
True
False
15
10
Referring to your answer to the previous question, if false, rewrite the statement to make it true. Go beyond just rearranging words to write a true statement with specificity and detail.

If true, write the word "true" - all lower case; no period.
16
10
A compass would show a larger needle deflection for Figure 7b than for Figure 7a.
True
False
17
10
Referring to your answer to the previous question, if false, rewrite the statement to make it true. Go beyond just rearranging words to write a true statement with specificity and detail.

If true, write the word "true" - all lower case; no period.
18
10
In Figure 7a one bulb is brighter than the other.
True
False
19
10
Referring to your answer to the previous question, if false, rewrite the statement to make it true. Go beyond just rearranging words to write a true statement with specificity and detail.

If true, write the word "true" - all lower case; no period.
20
10
Describe at least two observations that provide evidence that a wire has essentially zero resistance.
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