A soap bubble is charged to a potential 12V. If its radius is doubled,
A soap bubble is charged to a potential 12V. If its radius is doubled, then the potential of the bubble…
8 years ago
Questions
A parallel plate capacitor as a uniform electric field E in the space between the plates
A parallel plate capacitor as a uniform electric field E in the space between the plates. If the distance between…
8 years ago
Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C
Two metallic spheres of radii 1 cm and 3 cm are given charges of -1 x 10⁻² C and 5…
8 years ago
The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal
The concentric spheres of radii R and r have positive charges q₁ and q₂ with equal surface charge densities. What…
8 years ago
A rod lies along the X-axis with one end at the origin and the other at x→∞. It carries
A rod lies along the X-axis with one end at the origin and the other at x→∞. It carries a…
8 years ago
The potential energy of particle in a force field is U = A/r² – b/r, where A and B
The potential energy of particle in a force field is U = A/r² - b/r, where A and B are…
8 years ago
Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC
Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC, respectively. They are then…
8 years ago
If a mass of 20g having charge 3.0 mC moving with velocity 20ms⁻¹ enters a region
If a mass of 20g having charge 3.0 mC moving with velocity 20ms⁻¹ enters a region of electric field of…
8 years ago
An electric dipole of moment ‘p’ is placed in an elecatric field of intensity ‘E’
An electric dipole of moment 'p' is placed in an electric field of intensity 'E'. The dipole acquires a position…
8 years ago
If two charges +4e and +e are at a distance x apart, then at what distance charge q
If two charges +4e and +e are at a distance x apart, then at what distance charge q must be…
8 years ago