A 15.0 µF capacitor is charged to a potential difference of 850.0 V. The terminals of the charged capacitor are then connected to those of an uncharged 12.0 µF capacitor. Compute the original charge of the system. Express your answer in coulombs. ? Q = Part B Compute the final potential difference across capacitor. Express your answer in volts. 圓
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- 1:Estimate the capacitance. Express your answer using one significant figure. c= ? F 2: Estimate the charge on each plate. Q: ? C 3: Estimate the electric field halfway between the plates. E= ? V/M 4: Estimate the work done by the battery to charge the plates. W= ? JA cylindrical capacitor consists of a solid conducting cylinder with a radius of 0.260 cm and a coaxial conducting tube around it. There is air between the conductors and the length of the cylinder is 12.5 cm. If the capacity of the device is 38.5 pF; Part A: Calculate the inner radius of the outer tube.(r=?) Part B: What is the stored charge per unit length, λ when the shaver is loaded with 130 V? (λ=?)Part A How much work does the electric field do in moving a proton from a point with a potential of +175 V to a point where it is -75 V ? Express your answer in joules. Express your answer using two significant figures. ? J Wba Submit Request Answer Part B Express your answer in electron volts. Express your answer using two significant figures. ? eV Wba
- An electron is fired at a speed v 4.3 x 10 m/s and at an angle 8 = 39.7 between two parallel conducting plates as shown in the figure. If s 1.7 mm and the voltage difference between the plates is AV= 99.8 V, determine how close, w. the electron will get to the bottom plate. Put your answer in meters and include at 6 decimal places in your answer. Do not include units. The x-axis of the coordinate system is in the middle of the parallel plate capacitor. Round your answer to 6 decimal places.Consider three capacitors with capacitances C1 = 10 µF, C2 = 20 µF, and C3 = 30 µF connected in series and connected to a voltage source of V = 100 V. Note that if your answer is not a whole number, round it off to two decimal places. a. What is the equivalent capacitance of the three capacitors, Ceq = Blank 1 μF Your answers for Q1, Q2 and Q3 should be in scientific notation. the coefficient should be rounded off to two decimal places. Your answers for V1, V2 and V3 are real numbers rounded off to two decimal places. b. Calculate the voltage across each capacitor and the charge stored on each capacitor. Q1 = Blank 2 x 10^Blank 3 C Q2: = Blank 4 x 10^Blank 5 C Q3 = Blank 6 x 10^Blank 7 C V1 = Blank 8V V2 = Blank 9V V3 = Blank 10 VPlease asap
- A laboratory capacitor consists of two parallel conducting plates, each with area of 200 cm² separated by a 0.40-cm air gap. a. Compute its capacitance b. If the capacitor is connected across a 500-V source, find the charge on it, the energy stored in it, and the value of E between the platesThree capacitors are connected as shown, where C = 0.045 F. A. Input an expression for the equivalent capacitance between points a and b, in terms of C. B. What is the capacitance, in farads? C. If the capacitors are charged with a ΔV = 10 V source, how much energy will the circuit store, in joules?What potential difference is needed to accelerate an electron from rest to a speed of 1.2x106 m/s? Express your answer to two significant figures and include the appropriate units. μÅ AV= Value Submit Request Answer Ć Units ?
- To recharge a 11 V battery, a battery charger must move 3.8 105 C of charge from the negative terminal to the positive terminal. How much work is done by the charger? Express your answer in joules. J(Figure 1) is a graph of E₁. The potential at the origin is -50 V. Figure Ex (V/m) 200- 100 0 0 1 2 3 1 of 1 -x (m) Part A What is the potential at x = 3.0 m? Express your answer to two significant figures and include the appropriate units. ▸ View Available Hint(s) V(3.0 m) = Submit Provide Feedback μÅ Value B Units ? Next >Part B A dielectric with K = 3.40 is inserted between the plates of the capacitor, completely filling the volume between the plates. Now what is the maximum magnitude of charge on each plate if the electric field between the plates is not to exceed 3.00x104 V/m? Express your answer with the appropriate units. µA ? Q = Value Units