Electromagnetic Fields - Electrostatics

A uniform ring charge of radius R carries a total charge Q. Which one of the following options correctly quantifies the magnitude of the force on a point charge of strength q kept at the center of the ring? (ε is the per...

A uniform spherical volume charge distribution of radius 2 m, centered at the origin, has a strength of $\frac{3}{\pi} \times 10^{-6}$ C/m³. A point charge of strength $\pi \times 8.854 \times 10^{-12}$ C is moved from $...

In the (x, y, z) coordinate system, three point-charges Q, Q, and αQ are located in free space at (-1, 0, 0), (1, 0, 0), and (0, -1, 0), respectively. The value of α for the electric field to be zero at (0, 0.5, 0) is __...

A positive charge of 1 nC is placed at (0, 0, 0.2) where all dimensions are in metres. Consider the x - y plane to be a conducting ground plane. Take \epsilon_0 = 8.85\times10^{-12} F/m. The Z component of the E field at...