Please answer the following:

1. A parallel plate capacitor has a charge of Q and plate separation d. It is disconnected from 5. Five capacitors are combined in parallel. Capacitor 1 has a voltage drop of 6V. How much is the battery. If plates are pulled apart, which of the following happens the Veg, circuit? a. The charge stored increases . equal to 6V b. the voltage increases b. less than 6V c. the voltage decreases c. more than 6V d. the electric field increases d. cannot be determined 2. If a positive charge is pulled from point B to A, describe the motion test charge 6. the electric potential energy of the opposite charge particle increases if The separation distance decreases b. The amount of charge decreases c. The separation distance increases d. The electric potential decreases A E 7. A parallel plate capacitor is made up from two square plates spaced 3 um apart. If the plates measure 5 mm on each side, What is the A the plates? a. 2.5 x10*-5 m*2 b. 2.5 x10*-3 m^2 C. 5x10^-3 m^2 d. 5mm^2 8. A positive test charge is shown at point A in the figure below (the arrow represents E). The test charge is moved from point A to point B. Which statement below is true? a. The q moves from low potential to high potential b. the electric potential of q can be either low or high because electric potential of any charge is uniform c. The q moves from high potential to low potential d. the q moves in the same potential. 3. Which of the following equation shows the relationship among current, voltage and resistance Be a. I=RAV b. V=//R C. V=IR d. R=W/ 4. Which of the following is true about the capacitance? a. if the voltage applied across the capacitor increases, the capacitance of the capacitor also increases b. if the capacitance of capacitor increases, the amount of the charge can be stored also increases a. No work done, gain of electric potential energy b. Work is done, gain of electric potential energy c. If the amount of stored charge increases, the capacitance decreases C. No Work is done, loss of electric potential energy d. If the distance between plates increases, the capacitance also increases d. Work is done, loss of electric potential energy9. If the resistance charges from 40 Ohms to 24 ohms and the voltage applied in circuits is constant, 15. Calculate the total capacitance of the three capacitors connected in parallel with the the current flow capacitances of 1 nF, 1UF, and 3 RE a. decreases a. 2pF b. increases b. 6F c. not determined c. 2001 OF d. is constant d. 1UF 10. 1. Electron-flow theory states that electrons move from - terminal to the + terminal. 16. The capacitance of capacitor is changed if Il. Conventional flow states that the electrons move from +terminal to the-terminal. Ill. Whether the charges flow from +to - or from - to + terminal, it doesn't affect the current flow. a. the amount charge stored is increased or decreased a. Allstatements are true b. the potential applied is increased or decreased b. I and ll are true c. the plate area and distance between plates are increased or decreased C. Allstatements are false d. all of these d. I and Ill are true 17. Ohms law explains that 11. If three capacitors , C1=1 UF, C2=2pF, C3=3nF are connected in parallel, which of the following a. current is directly proportional to voltage will obtain the highest potential? b. voltage is directly proportional to current and resistance if temperature varies a. C2 c. current is directly proportional to resistance and inversely proportional to voltage b. C1 d. voltage, resistance and current are constant if other physical conditions and temperature c. none of these d. C3 18. Three capacitors are connected in series-parallel connection. Determine the total capacitance if capacitor 1= onF andcapacitor2= InF are connected in series. Capacitor 3 = 8 0F 12. How much current flow through a 2 Ohms wire when it is connected to a 6V battery? is in parallel connection to the battery and to capacitor 1 and 2. 12 A a. 0.06 x 10^-9 F b. 4A b. 8.0 x 10* -10 F C. 3A C. 17 x 10^-9F d. 8A d. 8.89 x 10^-9 F 13. The total capacitance of capacitors connected in parallel is 19. Three capacitors are connected in parallel and applied across a 12V battery. If the a. always equal to the capacitance of single capacitor with the highest capacitance capacitors have the capacitances of C1= 1nF, C2 = 3nF and C3 = 4nF, how much charge is b. always equal to the capacitance of single capacitor with the lowest capacitance stored across C2? c. always less than the capacitance of any single capacitors in the circuit d. always greater than the capacitance of any single capacitors in the circuit a. 3.6 x 10^-5 C b. 3.6 x 10*-11 C 14. Four capacitors are combined in series: 1UF, 3nF, 6UF, 1nF. Find the total charge stored by the c. 3.6 x 10^-8 C group if connected to a 15V battery? d. 2.5 x 10*-10 C a. 10 20. A positive q is placed at the positive plate and is let loose. Describe the motion of the q. b. 0.1125 UC a. q moves from less repulsion to more repulsion C. 11.25 nG b. q moves against the nature. d. 2x10^-8 C c. q moves from high potential to low potential d. q remains fixed on its position.21. What is the constant variable in the series combination of the capacitors? a. Q 25. In figure below, find the U between Q=-1.OnC and Q=20 nC b. None of these C. C 20nC d v 22. Three capacitors are connected in series with a total charge of 1.5uC. If the capacitors have the capacitances of C1= 1nF, C2 = 3nF and C3 = 4nF, what is the voltage across C2. 30 cm a. 2x10*-3V b. 4.5x10^-18V C. 0.5V d. 500V LOnC 23. What concepts dowe need to apply to determine the charge and voltage across capacitors connected in series? a. 6x10*-7 J b. 3x104-6 J a. Total charge is equal to the charge of each capacitors; total voltage is equal to the sum C. of the voltage across each capacitors. -0.6 UJ b. Total charge is equal to the charge of each capacitors; total voltage is equal to the 26. What is the difference between the conventional current and electron flow? voltage across each capacitors. c. Total charge is equal to the sum of the charge of each capacitors; total voltage is equal a. In conventional current, negative charges flows in a circuit, while in an electron flow, the to the voltage across each capacitors. d. Total charge is equal to the sum of the charge of each capacitors; total voltage is equal positive charges flow in a circuit. b. Electrons are the only charge that flows in a circuit whether it is a conventional current or to the sum of the voltage across each capacitors. electron flow. 24. Capacitance increases when. c. In conventional current, the current flows from negative end towards positive end, while in electron flow, the current flows from the positive terminal to the negative terminal. a. Decrease in plate area and value of applied voltage b. Decrease in distance between these plates and has greater dielectric constant material. d. In conventional current, the current flows from the positive terminal to thenegative c. Increase in plate area and in distance between these plates terminal, while in electron flow, the current flows from negative end towards positive end. d. Decrease in distance between these plates and has less dielectric constant material 27. Given only the capacitances of three capacitors connected in series, C1 = 1UF, C2 = 2pF, C3 = 3nF,which of the following is true? a. V1 >V2 V3 C. V1 V2 > V3 28. If the amount of charge that flows equal to 0.002 C in 1s, what is the current in the wire? a. 2 mA b. 0.02 A C. 2A d. 2 nA