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Class 12 · Physics
→If the force between two charges in air is thirty newtons and in a medium it becomes one-third of the air value, what is the new force?
Class 12 · Physics
→If two equal forces act at ninety degrees, the resultant will be greater than what?
Class 12 · Physics
→Two equal forces act on a charge at an angle of zero degrees. What is the net force?
Class 12 · Physics
→Two equal forces act on a charge at an angle of one hundred eighty degrees. What is the net force?
Class 12 · Physics
→In a multiple-charge problem, why are forces between external charges not added to the net force on the target charge?
Class 12 · Physics
→If the sign of the target charge is changed but its magnitude remains the same, what happens to the magnitude of each force?
Class 12 · Physics
→If the magnitude of the target charge is made three times while everything else remains the same, what happens to the net force on the target?
Class 12 · Physics
→If two charges are repelling and the sign of only one charge is changed, what will be the nature of the force?
Class 12 · Physics
→If two charges are attracting and the signs of both charges are changed together, what will be the nature of the force?
Class 12 · Physics
→If an external charge is at five times the distance from a target what magnitude should it have to give the same force?
Class 12 · Physics
→If an external charge is at double distance from a target what magnitude should it have to give the same force?
Class 12 · Physics
→Two external charges have magnitude ratio sixteen to one and distance ratio four to one from the same target. What is the force ratio?
Class 12 · Physics
→Two external charge magnitudes are in ratio five to two and distances are same. What is the force ratio?
Class 12 · Physics
→Two external charges are equal and their distances from target are in ratio two to five. What is the ratio of nearer force to farther force?
Class 12 · Physics
→A negative charge is in the middle. Equal negative charges are on both sides but the left charge is closer. What is the net force direction?
Class 12 · Physics
→A positive charge is in the middle. Equal positive charges are on both sides but the right charge is closer. What is the net force direction?
Class 12 · Physics
→A negative target charge has a positive charge on the left and a negative charge on the right with equal magnitude at equal distance. What is the net force direction?
Class 12 · Physics
→A positive target charge has a negative charge on the left and a positive charge on the right with equal magnitude at equal distance. What is the net force direction?
Class 12 · Physics
→A negative charge is at the centre of a square. Equal positive charges are above and below at equal distance. What is the net force?
Class 12 · Physics
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