A point charge is surrounded by two spherical layers (Figure (a)), with the electric field st.rengt.h as a function of distance having the form depicted in Figure (b) (on the log-log scale). In what layer (the inner or the outer) is the dielectric constant greater and by what factor?

A point charge +Q is surrounded by two uncharged concentric conducting shells as shown. The region of space inside the inner shell is A, the region of space between the two shells is B and the regionof space outside of the outer shell is C. Regarding the electric field whihc of the following is correct?

A uniform istropic dielectric si shaped as a spherical layer with radii a and b . Draw the approximate plots of the electric field strength E and the potential varphi vs the distance r from the centre fo the layer if the dielectric has a certain positive extraneous charge distributed uniformly, (a) over the internal surface of the layer, (b) over the volume of the layer.

Two point charges 2 muC and -2 muC are placed at point A and B as shown in figure. Find out electric field intensity at points C and D. [All the distances are measured in meter].

A point charge +Q is placed at the centre of an uncharged spherical conducting shell of inner radius a and outer radius b. i. Find the electric field for rlta . ii. What is the magnitude and sigh of the induced charge q' on the inner shell surface? iii. What is the electric field at points rgtb ? iv. What id the surface charge on the outer surface of the conductor?

A test charge q is moved without acceleration from A to C along the path form A to B and then from B to C in electric field E as shown in the figure. (i) Calculate the potential difference between A and C. (ii) At which point (of the two) is the electric potential more and why?

Three conducting spherical shells have radii (a, b, and c) such that a lt b lt c (Fig. 3.113). Initially, the inner shell is uncharged, the middle shell has a positive charge Q, and the outer shell has a negative charge -Q . . a. Find the electric potential of the three shells. b. If the inner and outer shells are now connected by a wire that is insulated as it passes through the middle shell, what is the electric potential of each of the three shells ? Also, what is the final charge on each shell ?

A point charge q is situated at X between two parallel plates which have a potential difference V and carry charges +Q and -Q . What is the electric field strength at X ?

Two point charges, Q_1 and Q_2 are positioned at a certain distance from each other. Tho curves in the figure represent the distri bution of the potential along the straight line connecting the two charges. At which points (1, 2, and /or 3) is the electric field strength zero? What are tho signes of the charges Q_1 and Q_2 and which of the two is greater in magnitude?