then the force between the charges will becomes
An electric dipole is placed at an angle of 30∘ with an electric field of intensity 2×10^5 NC^−1. It experiences a torque equal to 9Nm. Calculate the charge on the dipole if the dipole length is 2cm is
30
Nov
An electric dipole is placed at an angle of 30∘ with an electric field of intensity 2×10^5 NC^−1. It experiences a torque equal to 9Nm. Calculate the charge on the dipole if the dipole length is 2cm is Force between two identical charges placed at a distance of r in vacuum is F. Now a [...]
A charged drop of mass 3.2×10^12 g floats between two horizontal parallel plates maintained at potential difference of 980 V and separated between the plate is 2 cm . The number of excess or direction electron on the drop is
30
Nov
A charged drop of mass 3.2×10^12 g floats between two horizontal parallel plates maintained at potential difference of 980 V and separated between the plate is 2 cm . The number of excess or direction electron on the drop is Force between two identical charges placed at a distance of r in vacuum is F. [...]
An α-particle of mass 6.4×10^−27 kg and charge 3.2×10^−19C is situated in a uniform electric field of 1.6×10^5Vm^−1. The velocity of the particle at the end of 2×10^−2m path when it starts from rest is
30
Nov
An α-particle of mass 6.4×10^−27 kg and charge 3.2×10^−19C is situated in a uniform electric field of 1.6×10^5Vm^−1. The velocity of the particle at the end of 2×10^−2m path when it starts from rest is Force between two identical charges placed at a distance of r in vacuum is F. Now a slab of dielectric [...]
There is a uniform electric field of strength 10^3V/m along y-axis; A body of mass 1 g and change 10^6 C is projected into the field from origin along the positive x-axis with a velocity 10 m/s. Its speed in m/s after 10s will be .(neglect gravitation)
30
Nov
There is a uniform electric field of strength 10^3V/m along y-axis; A body of mass 1 g and change 10^6 C is projected into the field from origin along the positive x-axis with a velocity 10 m/s. Its speed in m/s after 10s will be .(neglect gravitation) Force between two identical charges placed at a [...]
Two equally charged identical metal spheres A and B repel each other with a force of 3×10^−5 N. Another identical uncharged sphere C is touched with A and then placed at the midpoint between A and B. Net force on C is.
30
Nov
Two equally charged identical metal spheres A and B repel each other with a force of 3×10^−5 N. Another identical uncharged sphere C is touched with A and then placed at the midpoint between A and B. Net force on C is. Force between two identical charges placed at a distance of r in vacuum [...]
Two identical charged spheres suspended from a common point by two mass-less strings of length l are initially at a distance d ( d much less than l) apart because of their mutual repulsion . Determine the angle formed between the two strings at equilibrium position.
30
Nov
Two identical charged spheres suspended from a common point by two mass-less strings of length l are initially at a distance d ( d much less than l) apart because of their mutual repulsion . Determine the angle formed between the two strings at equilibrium position. Force between two identical charges placed at a distance [...]
Force between two identical charges placed at a distance of r in vacuum is F. Now a slab of dielectric constant K = 4 is inserted between these two charges . If the thickness of the slab is r/2, then the force between the charges will becomes
30
Nov
Force between two identical charges placed at a distance of r in vacuum is F. Now a slab of dielectric constant K = 4 is inserted between these two charges . If the thickness of the slab is r/2, then the force between the charges will becomes Force between two identical charges placed at a [...]