Plastik ka. A parallel plate capacitor is connected to an ideal battery with voltage . Its stored energy is . Then while the battery is still connected, you insert polyethylene () between the plates. What is the new stored energy of this capacitor?

Triple the charge, triple the area, triple the fun! Consider an ideal parallel plate capacitor with initial charge Q. What happens to its capacitance when the charge and the area of the plates are tripled?

May potential ka. What is the potential difference between points and in the circuit shown? 

EFE1. Consider the cross-section of equipotential surfaces produced by two point charges and as shown. What can be said about the magnitude and signs of the charges and ?

Gradient Recitation. The electric potential at the -plane is given by

for positive constants , , and . What is the corresponding electric field vector equation?

Mam/sir, 1/2 po? Yes, 1/2. Consider a semicircle of radius with charge uniformly spread over it, as shown in the figure. What is the total potential at the center of the semicircle?

3charge Gutierrez. Three point charges are placed at the three corners of a square as shown. What is the total electric potential at the center of the square ?

Cavity City. A dipole with charges of magnitude 1.5 [μC] is placed inside the cavity of a solid conductor. The solid conductor has a net charge of+6 [μC]. What is the total charge at the outer surface of the conductor?

Hollow hollow. Consider a solid sphere inside a spherical conducting shell as shown. The solid sphere has charge and the spherical shell has charge . What is the electric field in the region outside the shell?

Bottoms up. A vase (shaped like a cylinder with its top base open) has radius and height . It is placed in a uniform electric field of magnitude which is at an angle 45 from the vertical as shown in the figure. What is the electric flux on the vase?