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Exam (elaborations)

PHY 204 Final Exam Questions and Correct Answers (100% Pass)

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  • PHY 204
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  • PHY 204

Figure 1 shows both the total current through two components connected in series and also the voltage from the signal generator. This circuit might contain a) two resistors, no capacitors and no inductors b) a resistor and a capacitor c) a resistor and an inductor d) two inductors, no resist...

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  • November 20, 2024
  • 31
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PHY 204
  • PHY 204
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PHY 204 Final Exam Questions and
Correct Answers (100% Pass)
Figure 1 shows both the total current through two components connected in

series and also the


voltage from the signal generator. This circuit might contain


a) two resistors, no capacitors and no inductors


b) a resistor and a capacitor


c) a resistor and an inductor


d) two inductors, no resistors, and no capacitors


e) two capacitors, no resistors, and no inductors


✓ b) a resistor and a capacitor




From Figure 1, the magnitude of the total impedance of the circuit is


a) 500 Ω b) 200 Ω c) 5 mΩ d) 2 mΩ


✓ a) 500 Ω




The RMS current in Figure 1 is about


a) 20.0 mA b) 10.0 mA c) 14.14 mA d) 7.07 mA




Master01 | November, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

✓ d) 7.07 mA




What is the frequency of the EMF (or the current) in Figure 1?


✓ f = 1/T = 1000 Hz




A capacitor temporarily stores energy in


a) an electric field


b) a magnetic field


c) heat


d) chemical form


✓ a) an electric field




An inductor temporarily stores energy in


a) an electric field


b) a magnetic field


c) heat


d) chemical form


✓ b) a magnetic field




A capacitor can to filter out

Master01 | November, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

a) high voltages


b) low voltages


c) high frequencies


d) low frequencies


✓ d) low frequencies




An inductor can filter out


a) high voltages


b) low voltages


c) high frequencies


d) low frequencies


✓ c) high frequencies




The AC equivalent of resistance for inductors or capacitors, that examines the

ratio of the RMS


voltage to the RMS current, is called


a) defiance


b) tenacity


c) intransigence



Master01 | November, 2024/2025 | Latest update

, 1|Page | © copyright 2024/2025 | Grade A+

d) reactance


✓ d) reactance




The reactance is most generally __.


a) a positive real number


b) a real number that is not necessarily positive


c) a positive integer


d) a complex number


e) a matrix


✓ a) a positive real number




The impedance is most generally __.


a) a positive real number


b) a real number that is not necessarily positive


c) a positive integer


d) a complex number


e) a matrix


✓ d) a complex number




Master01 | November, 2024/2025 | Latest update

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