Capacitance, Charge and Voltage: Q = CV 1. Click the Reset Button on the bottom right of the PHET simulation. 2. CHECK Plate Charges and Bar Graphs baxes in the upper right so your display resembles the graph below. 3. SET the Plate Area to 200 mm² and the Separation to 4.0 mm. Capte Pae Charge Sred Enery Cha Graphe Deri Fed Cument Direction Voltage 4. Connect the voltmeter across the capacitor by placing the red on the top plate and black on bottom. If the voltmeter reads a negative, switch the red and black. 5. Set the battery Voltage to 0.25 V. Record the measured plate charge, Q. 6. Repeat Step 5 for each Voltage in Table 3. Table 3: Charge and Voltage Voltage (V) Plate Charge (pC) 0.25 V 0.50 V 0.75 V 1.00 V 1.25 V 1.50 V

General Physics. Thank you

II. Problem Solving. Show your solutions. Box your final answer. 1. A water heater has a resistance of 502 and takes 15A during operation. If it is in service on the average of 45minutes per day, how many kWh of energy will be consumed for 2 weeks? 2. Two particles with charges of 5 uC and 8µC attract each other with a force of 65mN. Determine the separation distance between the two particles. 3. What separation distance is required if the attractive force between an electron and a proton is 50N? 4. The distance between two identical charges is 20cm and experiencing 50kN of force. Find the value of the charges. 5. A sphere has a negative charge of 640nC. Approximately how many electrons must be removed to make the sphere neutral? 6. How much electrical energy in kWh is delivered to an electric motor during a 48 minutes' operation from a 220v source if it draws 12A of current? If Meralco takes Php12.00 per kWh, how much is the electric bill cost for 1 month? Assume 1 month = 30 days.

m 2R R 3. The new symbol you see in the diagram at the left is a multicell battery (like a 9V), which is made up of a number of smaller single cell batteries (like a 1.5V). Let's say its total voltage is V. A. Which resistor takes the most voltage? B. What is the total resistance? C. In variables, what is the current in the circuit? D. How does the voltage used by the 2R compare with R? E. In variables, what is the voltage used by the 2R resistor?

5. A 250-volt electrical heater is used to warm 3Li/hr of water from 19°C to 98°C. Assume heat conversion loss of 25% of the total heat supplied, how much current in amperes must be supplied to this heater. Derive with the formula below, show the cancellation, explain the step by step and DRAW a free body diagram/figure. refer with this: PE1 + KE1 + U1 + WF1 + Q1 + W1 = PE2 + KE2 + U2 + WF2 + Q2 + W2 + E losses.

1.What is the effect on charging and discharging times if the capacitance is increased? What mathematical relationship exists between your times and the capacitance? 2. What is the effect on the total capacitance if capacitors are combined in series? What if they are combined in parallel? 3. What is the effect on charging and discharging times if the resistance of the circuit is increased? What mathematical relationship exists between your times and the resistance?

If three resistors connected in series to a battery. Suppose R, carries a current of 8A, R, has a resistance of 7.50, and R; dissipates 80W of power. What is the voltage across Ry and Resistance of Ry ? 1. Voitage (in V) across R3 = and 2. Resistance (in ) of R: =

answer p2 clearly, on paper please.

2012hyundal genes... 2012 hyundal gene..... Figure +3.0 nC 10 cm 5.0 cm -6.0 nC . ARK Performance 1 of 1 2012 hyundai gene... Part A Submit Part B What is the strength of the electric field at the position indicated by the dot in (Figure 1)? 185] ΑΣΦΑΤΑ 2012 hyundal gene... Submit Provide Feedback Request Answer Apply - Pharmacy T... Request Answer P Pearson Kickoff N/C What is the direction of the electric field at the position indicated by the dot in (Figure 1)? Specify the direction as an angle measured clockwise from the positive z axis 196] ΑΣΦ Course Home Review I Constants Next >

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