A certain capacitor stores 520 J of energy when it holds 7.4 10-2 C of charge.
(a) What is the capacitance of this capacitor?
(b) What is the potential difference across the plates?
A certain capacitor stores 520 J of energy when it holds 7.4 10-2 C of charge....
A certain capacitor stores 46 J of energy when it holds 1,572 uC of charge. What is the capacitance in nF?
A certain capacitor stores 33 J of energy when it holds 4,859 uC of charge. What is the capacitance in nF?
A 32.1-µF capacitor stores 0.947 J of potential energy. What is the potential difference across the plates of this capacitor?
Two identical capacitors store different amounts of energy: capacitor A stores 3.5 10-3 J, and capacitor B stores 4.6 10-4 J. The voltage across the plates of capacitor B is 13 V. Find the voltage across the plates of capacitor A.
The electric potential energy stored in the capacitor of a defibrillator is 110 J, and the capacitance is 150 μF. What is the potential difference across the capacitor plates?
Two identical capacitors store different amounts of energy: capacitor A stores 2.1x10^-3 J, and capacitor B stores 2.8x10^-4 J. The voltage across the plates of capacitor B is 13 V. Find the voltage across the plates of capacitor A.
Question 10 3 pts A capacitor has a small capacitance of C. The capacitor is charged by placing a potential difference of V = 158 between its plates and the energy it stores is 69 J. What is the capacitance in MF? Note: 1.0 MF 10- F. Please round your answer to the nearest whole number (integer). Equation: U = CV Question 11 3 pts The figure below shows a circuit that contains four capacitors. Find (a) the equivalent capacitance,...
The plates of a parallel-plate capacitor in vacuum are 2.90 mm apart and 2.75 m^2 in area. When you apply a certain potential difference across the capacitor, the surface charge density on the positive plate is 1.40×10−5C/m^2. Calculate the capacitance of the capacitor. C = Find the potential difference. V =
QUESTION 5 A capacitor is fully charged by a battery. When the capacitor is still connected to the battery, the distance between the two plates decreases. Which of the followings will remain the same? Select all that apply. (a) voltage across the capacitor (b) capacitance (c) charge stored in the capacitor (d) electric field between the two plates (e) electric potential energy stored in the capacitor QUESTION 6 A capacitor is fully charged by a battery. When the capacitor is...
A 1.93 mF capacitor with an initial stored energy of 0.432 J is discharged through a 1.57 MΩ resistor. (a) What is the initial charge on the capacitor? (b) What is the current through the resistor when the discharge starts? At time t = 976 s, find (c) the potential difference VC across the capacitor, (d) the potential difference VR across the resistor, and (e) the rate at which thermal energy is produced in the resistor.