| 131. |
| The circuit to the right has a 10.0
volt battery connected to a 0.0200 farad capacitor. What is
the charge on the top plate of the capacitor? Answer
A. - 0.200 C
C. - 0.00200 C
B. + 0.200 C
D. + 0.00200 C |
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| 132. |
| The circuit to the right
has a 3.0 volt battery connected to capacitors with
capacitances in order of 2.0 microfarad, 3.0 microfarad,
and 4.0microfarad. What is the charge on the
2.0 microfarad capacitor? Answer
A. 3.0 x 10 -8 C
C. 6.0 x 10 -6 C
B. 2.8 x 10 -6 C
D. 2.7 x 10 -5 C |
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| 133. |
| The circuit to the right has a 3.0
volt battery connected to capacitors with capacitances in
order of 2.0 microfarad, 3.0 microfarad, and
4.0microfarad. What is the charge on the 2.0 microfarad
capacitor? Answer
A. 3.0 x 10 -8 C
C. 6.0 x 10 -6 C
B. 2.8 x 10 -6 C
D. 2.7 x 10 -5 C |
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| 134. |
| Which of the graphs to the right best
represents what happens as you increase the voltage on a capacitor?
Answer |
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| 135. |
How many electron
volts are equivalent to 4.00 J? Answer
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A. |
4.0 x 10 -20 eV |
C. |
2.5 x 10 19 eV |
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B. |
6.4 x 10 -19 eV |
D. |
6.4 x 10 19 eV |
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| 136. |
A capacitor with
only air between the plates has a capacitance of 3.0
microfarads. What is the capacitance if paraffin with a
dielectric constant of 2.2 is placed between the plates? Answer
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A. |
0.62 microfarads |
C. |
4.1 microfarads |
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B. |
1.4 microfarads |
D. |
6.6 microfarads |
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| 137. |
Which of the
following will NOT increase the capacitance of a capacitor? Answer
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A. |
Decrease distance between the
plates. |
C. |
Replace quartz, k = 4.3, with
mica, k = 7. |
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B. |
Increase the area of the plates. |
D. |
Rolling the plates into a
cylinder form. |
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| 138. |
A 6.0 volt batter is
connected to a 15 millifarad capacitor. How much electrical energy
is stored in the capacitor when fully charged? Answer
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A. |
0.045 J |
C. |
0.27 J |
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B. |
0.090 J |
D. |
0.54 J |
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| 139. |
Which requires the
greatest amount of work to move an electrical charge? Answer
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A. |
Moving along equipotential
lines. |
C. |
Moving at 60o to
equipotential lines. |
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B. |
Moving at 30o to
equipotential lines. |
D. |
Moving perpendicular to
equipotential lines. |
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| 140. |
A positively charged
object is brought close to an electroscope without touching the
electroscope. What is the charge on the leaves of the electroscope?
Answer
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A. |
permanent negative charge. |
C. |
temporary negative charge. |
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B. |
permanent positive charge. |
D. |
temporary positive charge. |
