QA.15: Two capacitors are identical. They can be con- nected in series or in parallel. If you want the smallest equiv- alent capacitance for the combination, you should connect them in (a) series. (b) parallel. (c) either combination has the same capacitance. (d) none of these. M. Rabiu, Page 8 of 23

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Please add the solution to the problem. Q15,16,17
QA.15: Two capacitors are identical. They can be con-
nected in series or in parallel. If you want the smallest equiv-
alent capacitance for the combination, you should connect
them in
(a) series.
(b) parallel.
(c) either combination has the same capacitance.
(d) none of these.
M. Rabiu, Page 8 of 23
QA.16: You have three capacitors and a battery. In which
of the following combinations of the three capacitors is the
maximum possible energy stored when the combination is
attached to the battery?
(a) series.
(b) parallel.
(c) no difference because both combinations store the same
amount of energy.
(d) none of these.
QA.17: A helium nucleus (charge = 2e, mass = 6.63×10-27
kg) traveling at 6.20x105 m/s enters an electric field, travel-
ing from point A, at a potential of 1.50×10³ V, to point B,
at 4.00×10³ V. What is its speed at point B?
(a) 2.13×105 m/s
(b) 3.78x105 m/s
(c) 7.91x105 m/s
(d) 2.52x106 m/s
(e) 3.01x108 m/s
Transcribed Image Text:QA.15: Two capacitors are identical. They can be con- nected in series or in parallel. If you want the smallest equiv- alent capacitance for the combination, you should connect them in (a) series. (b) parallel. (c) either combination has the same capacitance. (d) none of these. M. Rabiu, Page 8 of 23 QA.16: You have three capacitors and a battery. In which of the following combinations of the three capacitors is the maximum possible energy stored when the combination is attached to the battery? (a) series. (b) parallel. (c) no difference because both combinations store the same amount of energy. (d) none of these. QA.17: A helium nucleus (charge = 2e, mass = 6.63×10-27 kg) traveling at 6.20x105 m/s enters an electric field, travel- ing from point A, at a potential of 1.50×10³ V, to point B, at 4.00×10³ V. What is its speed at point B? (a) 2.13×105 m/s (b) 3.78x105 m/s (c) 7.91x105 m/s (d) 2.52x106 m/s (e) 3.01x108 m/s
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