PHYS222_Prelab_Quiz_11_Capacitor_Lab

Determine the total capacitance, total charge, individual voltage drop and charges across each capacitor. Use two decimal places for your answer. Put your answer for the individual voltage and charge for each capacitor in a table for faster checking. Thank you! Here are the values for the capacitors: C1 = 55 C6 = 50 C2 = 25 C7 = 17 C3 = 49 C8 = 44 C4 = 22 C9 = 53 C5 = 45 C10 = 44

Determine the total capacitance, total charge, individual voltage drop and charges across across each capacitor. Use two decimal places for your answer. Please put your answer for the individual voltage and charge for each capacitor in a table for faster checking. Thank you! C1= 27 F C2= 53 F C3= 21 F C4= 50 F C5= 17 F C6= 22 F C7= 45 F C8= 16 F C9= 25 F C10= 16 F V= 110 V Note: This topic is under capacitors.

1) First part of the question: Two identical capacitors are connected in parallel and charged with a 20-V power supply as shown in the figure on the left. After the charges on the capacitors have reached their final values, the charge on each capacitor is 10 µC. Then the power supply is disconnected and a dielectric with K = 4 is inserted to fill the space between the plates of one of the capacitors. a) Find now the charge on the capacitor with dielectric. Give your answer in microcoulombs. Qo = 10 µC Qo = 10 µC| Q2 =? ► V = 20 V Battery

When the capacitor is charged current flows on either side of the capacitor. Do electrons cross the gap to allow the current on the other side of the circuit?(b) Is charging and discharging time of capacitor equal in a theoretical RC circuit?Plase explain your answer by using relating formula.

True or false question. When a capacitor is charging, the voltage of the capacitor increases linearly (i.e., at a constant rate).

how do i calculate the inverse capacitance and its uncertainty if the capacitance value 1.8748+/- 0.0006. please show steps im using this example to do my other values.

Answer the questions completely. Thanks How does a Capacitor store energy? How will we know if the capacitor is already fully charged? What is the role of a capacitor in a certain circuit? What is the role of dielectric in a capacitor? How does dielectric breakdown occurs?

When we talk about capacitance of capacitor we normally say that capacitance depends on the size, shape, and position of the two capacitors and dielectric constant K. What then did we mean when we say that capacitance is constant in the equation Q = CV?

Acertain electric circuit has a resistor and a capacitor. The capacitor is initially charged to 100 V. When the power supply is detached, the capacitor voltage decays with time, as the following data table shows. Find a functional description of the capacitor voltage v as a function of time t. Plot the function and the data on the same plot.

A 20-ohm resistor and a capacitor are connected in series with a battery of 60 volts.  At t = 0, there is no charge on the capacitor.  Find the capacitance if the current at t = 5 seconds is 3/e^s amperes.                    Ans.  0.05 Farads

a. Show how you would connect all five capacitors to get a maximum capacitance and find the maximum capacitance in terms of C. b. Show how you would connect all five capacitors to get a minimum capacitance and find the minimum capacitance in terms of C.

At a potential of 7000 V, a simple parallel-plate capacitor will be built to store charge. The capacitor has a separation distance of 0.21 mm between plates and a plate area of 0.030m2.The dielectric constant of a material with a dielectric constant of 6.5 is positioned.in the space between the plates Compute the capacitance of the capacitor and compute the magnitude of the charge stored on each plate.Then,If the capacitance in above  has to be increased, choose one acceptable dielectric material from Table 2 below to use between the plates.Justify your mathematical decision.

Please draw the problem and answer, thank you.  A capacitor is made of 2 rectangular metal plates with side length of 3 cm x 6 cm separated by a distance of 2.36 cm with water in between the plates. The capacitor has a voltage of 110 v and is not connected to a battery. Calculate the capacitance. What is the new capacitance if we replace water with a new dielectric material with a constant of 3.75 in between the plates? What is the new voltage? What is the charge on each plate?

An initially uncharged parallel plate capacitor is connected to a circuit containing a battery with emf -15V and a resistor, R = 8.5MN as shown in the figure to below. The capacitor whose plates have an area of A = 3.1mm² are separated by a distance of d = 3.4mm and one third of the capacitor is filled with a dielectric material, K₁= 1.1 and the rest (two thirds) is filled with another dielectric material, K₂=4.5. At t=0 the switch is closed. 7.1 seconds after the switch is closed the electric field within the first dielectric material (₁) is observed to be 15 x 10³ N/C. Find the potential difference across the capacitor at this instant (t = 7.1 s) in terms of permitivity of free space €0? Express your answer using zero decimal place. R S K₁ K₂

A. Find the equivalent capacitance of the combination shown in the figure. (C2 = 2µF, C3 = 3µF) B. Determine the charge on each capacitor, if there is a potential difference of 900V C. Determine the voltages across each capacitor

a) With switch J2 open, close switch J1. Estimate the time it takes to do it. Obtain the equations for the voltage and current of the capacitor. Determine the energy stored by the capacitor. b) Open switch J1, close switch J2. Estimate the time it takes to do it. Obtain the equations for the voltage and current of the capacitor.

The following figure represents an RC-Circuit with the switch. In Figure A, the capacitor is initially uncharged. In Figure B, the capacitor is initially fully charged. 1) Draw and label the current direction immediately after the switch is closed for each figure. 2) Consider Figure A. What is the voltage across the capacitor as t → 0? Explain. 3) Consider Figure B. Is the voltage across the resistor increasing, decreasing or staying the same as t → 0? Explain. A) B) R C

A capacitor can be used .............................................. in electrical circuits. Which of the followings fit?   To regulate the currents To regulate the voltages To store energy by deposition of electric charges To provide energy as passive circuit element To store energy in the form of magnetic field To create time varying voltages and currents To dissipate energy To convert elektrik energy into heat or light

Suppose that we have a 1000-pF parallel-plate capacitor with air dielectric charged to 1000 V. The capacitor terminals are open circuited. Find the stored energy. If the plates are moved farther apart so that d is doubled, determine the new voltage on the capacitor and the new stored energy. Where did the extra energy come from?

Obtain the equivalent capacitance in pF. Determine the charge Q1 (nC) at the capacitor C1.  Determine the charge Q2 (nC) at the capacitor C2. Determine the charge Q4 (nC) at the capacitor C4. Solve the voltage (V) across C1. Solve the voltage (V) across C2.  Solve the voltage (V) across C3. Solve the voltage (V) across C4.  use 2 decimal places for the answer

Consider three charged capacitors connected as shown in the figure where C1=6 µF ,C2=2 µF, and C3=3 µF. The charge on C1 is Q1= 30 µC. Find the charge Q3 (in µC) on C3. C2 C3