Advertisements
Advertisements
Question
Sketch the electric field lines for a uniformly charged hollow cylinder shown in figure.
Solution
No, the field may be normal. However, the converse is true.
Top view
Side view
APPEARS IN
RELATED QUESTIONS
A point charge causes an electric flux of −1.0 × 103 Nm2/C to pass through a spherical Gaussian surface of 10.0 cm radius centred on the charge.
- If the radius of the Gaussian surface were doubled, how much flux would pass through the surface?
- What is the value of the point charge?
A point charge q is at a distance of d/2 directly above the centre of a square of side d, as shown the figure. Use Gauss' law to obtain the expression for the electric flux through the square.
Find the work done in bringing a charge q from perpendicular distance r1 to r2 (r2 > r1)
A closed surface in vacuum encloses charges –q and +3q. The total electric flux emerging out of the surface is :
State Gauss’Law.
Which statement is true for Gauss law -
A spherical ball contracts in volume by 0.02% when subjected to a pressure of 100 atmosphere. Assuming one atmosphere = 105 Nm−2, the bulk modulus of the material of the ball is:
If the ratio of radii of two wires of same material is 3 : 1 and ratio of their lengths is 5 : 1, then the ratio of the normal forces that will produce the same extension in the length of two wires is:
A solid metal sphere of radius R having charge q is enclosed inside the concentric spherical shell of inner radius a and outer radius b as shown in the figure. The approximate variation of the electric field `vecE` as a function of distance r from centre O is given by ______.
Draw a graph of kinetic energy as a function of linear charge density λ.