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Class 12 · Physics · Medium
→If two equal external charges are at equal distances on both sides of a target and the sign of the target charge is changed, what happens to the zero-net-force condition?
Class 12 · Physics · Medium
→If two equal negative charges are on the same side of a positive target charge, what will be the direction of their forces?
Class 12 · Physics · Medium
→If two equal positive charges are at equal distances from a third positive charge but on the same side, what will the net force be?
Class 12 · Physics · Medium
→Two equal forces act on a charge with an angle of 60° between them. Will the net force be zero?
Class 12 · Physics · Medium
→If the force must be made nine times while the charges remain the same, what change in distance is needed?
Class 12 · Physics · Medium
→If the force must be made one fourth while the charges remain the same, what change in distance is needed?
Class 12 · Physics · Medium
→If the force magnitude must be made four times while the distance remains the same, which change is correct?
Class 12 · Physics · Medium
→If the force between two charges is 48 N, one charge is made half and the other one third. With the same distance, what is the new force?
Class 12 · Physics · Medium
→If a charge is three times farther from a target, what magnitude should it have to give the same force?
Class 12 · Physics · Medium
→If an external charge is four times larger but its distance from the target is doubled, what is its force on the same target equal to?
Class 12 · Physics · Medium
→A small nearby positive charge and a large farther positive charge exert forces on a positive target. What must be checked to decide which force is greater?
Class 12 · Physics · Medium
→A positive charge is at the centre of a square. A positive charge is at the top corner and an equal-magnitude negative charge is at the bottom corner. Both are at equal distance. What is the net force direction?
Class 12 · Physics · Easy
→A positive charge is at the centre of a square, and equal positive charges are placed symmetrically at only the left and right corners. What is the net force?
Class 12 · Physics · Easy
→A positive target charge is at the centre of a square, and equal positive charges are at all four corners. What is the net force?
Class 12 · Physics · Medium
→Equal positive charges are placed at the three corners of an equilateral triangle. What is the angle between the two forces on one charge due to the other two?
Class 12 · Physics · Easy
→Three equal positive charges are at the corners of an equilateral triangle. How are the magnitudes of the two forces on one corner charge due to the other two?
Class 12 · Physics · Medium
→Two equal forces act on a charge, but they are not in opposite directions. Will the net force be zero?
Class 12 · Physics · Medium
→In a multiple-charge problem, why are forces between external charges not added to the net force on the target charge?
Class 12 · Physics · Medium
→If the sign of the target charge is changed but its magnitude remains the same, what may happen to the magnitude and direction of each force?
Class 12 · Physics · Medium
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