Search questions
Use text search or combine filters to find exactly the questions you need.
Class 12 · Physics
→Two external charges have magnitude ratio 4:1 and distances from the same target charge in the ratio 2:1. What is the ratio of the force magnitudes?
Class 12 · Physics
→The magnitudes of two external charges are in the ratio 2:1, and their distances from the same target charge are equal. What is the ratio of the force magnitudes?
Class 12 · Physics
→Two external charges are equal, and their distances from the target charge are in the ratio 1:2. What is the ratio of the magnitudes of the forces they exert on the target?
Class 12 · Physics
→A nearby small charge and a farther large charge exert forces on a target charge. What must be compared to determine which force is larger?
Class 12 · Physics
→If two forces are neither opposite nor parallel but act at an angle, what is necessary to determine their net force?
Class 12 · Physics
→A negative charge is at the centre and a positive charge is placed above it. In which direction does the force due to the upper charge act on the central charge?
Class 12 · Physics
→A positive charge is at the centre, with equal positive charges at equal distances to its left and right, and another equal positive charge above it. After the left and right forces cancel, what is the direction of the net force?
Class 12 · Physics
→Four equal positive charges are arranged so that one is at the centre, with equal positive charges to its left and right. If another equal positive charge is placed above the centre, in what direction is the force on the centre charge due to the upper charge?
Class 12 · Physics
→The force between two charges is 20 N. If the magnitudes of both charges are reduced to half while the distance remains unchanged, what is the new force?
Class 12 · Physics
→The force between two charges is 5 N. If the distance between them is reduced to one-third of its original value, what is the new force?
Class 12 · Physics
→The force between two charges is 27 N. If the distance between them is tripled, what is the new force?
Class 12 · Physics
→A charge experiences two leftward forces of 4 N and 5 N, and one rightward force of 7 N. What is the net force?
Class 12 · Physics
→Three forces act on a charge: 5 N and 3 N to the right, and 6 N to the left. What is the net force?
Class 12 · Physics
→If the magnitude of the Coulomb force does not change but the signs of the charges are changed, what may change?
Class 12 · Physics
→If both charges become half their original values and the distance between them becomes half, what happens to the Coulomb force?
Class 12 · Physics
→The force between two charges is 24 N. If one charge becomes half its original value and the distance between the charges is doubled, what is the new force?
Class 12 · Physics
→Equal external charges of the same sign are placed on both sides of a target charge, but the charge on the left is closer. Toward which side will the greater force act?
Class 12 · Physics
→A positive charge has a smaller negative charge on the left and a larger positive charge on the right, both at equal distances. What is the direction of the net force on the positive charge?
Class 12 · Physics
→A positive charge is acted on by a larger positive charge on the left and a smaller negative charge on the right. If the distances are equal, in which direction do both forces act?
Class 12 · Physics
→