GENERAL PHYSICS 2

Please read the instructions and questions in every number (#16 to #33), and please provide the best answers (letters) with brief but effective solutions.

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16. What is the total charge stored in the combination of capacitors when connected to 100V? a. 360 C b. 1 500 C C. 4 400 C d. 65 000 C 17. What is the energy stored in the combination of capacitors? a. 2 200] b. 4 400 J C. 220 000 J d. 440 000 J For Numbers 18-20. Two capacitors with 2.0 F and 3.0 F capacitance, respectively, are connected in series and subjected to a total potential difference of 100 Volts. 18. Find the total capacitance. a. 1.2 F b. 120 Coc. 60 Volts and 40 Volts d. 100 F 19. Find the charge stored in each capacitor a. 1.2 F b. 120 C c. 60 Volts and 40 Volts d. 100 F 20. Find the potential difference across each capacitor. a. 1.2 F b. 120 C c. 60 Volts and 40 Volts d. 100. F 21. What is the capacitance if a dielectric of relative permeability of 2 is inserted between the plates of the original air capacitor? a. 1.25 F b. 2.5F . 5.0F d. 10.0 F 22. It is used to separate the conductive plates of a capacitor a. Wood b. dielectric material c. copper wires d. switch 23. Given that: C1 = 10.0 F C3 = 4.0 F C2 = 5.0 F Find the total capacitance in series connection a. 21 F b. 1.8 F C: 19 F d. 7.3 F 24. Given that: C1 = 10.0 F C3 = 4.0 F C2 = 5.0 F C1 G2 Find the total capacitance in parallel connection a. 21 F C. 19 F b. 1.8 F d. 7.3 F25. Given that: C1 = 10.0 F C3 = 4.0 F C2 = 5.0 F C1 Find the total capacitance in series- C3 parallel connection a. 21 F C. 19 F b. 1.8 F d. 7.3 F Cz 26. It is the flow of positive charges from the positive terminal to the battery to the negative terminal. a. Conventional current c. electric charge b. electron current d. current issue 27. How does temperature affect the resistance of metallic conductor? a. resistance increases c. it has no effect b. resistance decreases d. vibration happens 28. Wet skin is said to have much less resistance than dry skin. This explains that water is a/an a. Conductor b. insulator c. semi-conductor d. superconductor 29. The electrical resistance of a conductor of a particular unit cross-sectional area and unit length." a. Conductivity b. flow c. resistivity d. capacity 30. If both the diameter and length of a wire are quadrupled, what will happen to its resistance? a. It doubles c. it decreases to one-fourth its original value b. it remains constant d. it increases to four times its original value 31. A resistor that has a constant resistance is said to obey Ohm's law and is considered a. Ohh resistance C. Nonohmic resistance b. ohmic Resistance d. nomnomnom resistance 32. All of the following examples are considered as Ohmic devices EXCEPT: a. Wire b. heating elements c. resistors d. insulators 33. It is the potential difference across its terminals when no current is flowing. a. Terminal voltage b. current c. electromotive force d. Resistance