The potential at a point x ( measured in μ m) due to some charges situated on the x-axis is given by V(x)=20/(x2−4)volt
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An electric dipole consisting of two opposite charges of 2×10−6C each separated by a distance of 3cm is placed in an electirc field of 2×105N/C. The maximum torque on the dipole is will be
Consider the charge configuration and a spherical Gaussian surface as shown in the figure. When calculating the flux of the electric field over the spherical surface, the electric field will be due to.
A charge q is placed at the centre of a cube of side l what is the electric flux passing through two opposite faces of the cube ?
A parallel plate capacitor of capacitance C is connected to a battery and is charged to a potential difference V. Another capacitor of capacitance 2C is ismilarly charged to a potential difference 2V. The charging battery is now disconnected and the capacitors are connected in parallel to each other in such a way that the poistive terminal of one is connected to the negative terminal of the other. The final energy of the configuration is
Five point charges, each of value +q coul, are placed on five vertices of a regular hexagon of isde L meters. The magnitude of the force on the point charge of value -q coul, placed at the centre of the hexagen is…………….
A metallic shell has a point charge 'q' kept inisde its cavity. Which one of the following diagrams correctly represents the electric lines of forces?
Charge on a body which carries 200 electrons is
If potential (in volts) in a region is expressed as V(x,y,z)=6xy−y+2yz, the electric field (in N/C) at point (1,1,0) is