A charge q is placed at one corner of the cube. The electric flux passing through any one of its face is
Figure shows a point charge + Q, located at a distance R/2 from the centre of a spherical metal shell. Draw the electric field lines for the given system.
Two point charges q1 and q2 are located at points (a, 0, 0) and (0, b, 0) respectively. Find the electric field due to both these charges at the point (0, 0, c).
Two charges of 2uC and 5uC are placed 2.5 cm apart. The ratio of Coulomb's force experienced by them is
Find the expression for electric field intensity in an axial position due to electric dipole.
A point charge +Q is placed at point O as shown in the figure. Is the potential difference – positive, negative or zero ?
Plot a graph showing the variation of current I versus resistance R, connected to a cell of emf E and internal resistance r.
What is the amount of work done in moving a point charge around a circular arc of radius r at the center where another point charge is located ?
What is the value of the angle between the vectors and for which the potential energy of an electric dipole of dipole moment , kept in an external electric field , has the maximum value.
A 10 V battery of negligible internal resistance is connected across a 200 V battery and a resistance of 38Ω as shown in the figure. Find the value of the current in the circuit.