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Class 12 · Physics · Medium
→If the magnitude of the target charge becomes eleven times larger and its sign is reversed, what happens to each force exerted by the external charges?
Class 12 · Physics · Hard
→A negative target charge has a positive charge 75 times as large above it at distance 5 units and a positive charge 27 times as large below it at distance 3 units. What is the net force on the target?
Class 12 · Physics · Hard
→A positive target charge has a negative charge 108 times as large on its left at distance 6 units and a negative charge 27 times as large on its right at distance 3 units. What is the net force direction on the target?
Class 12 · Physics · Hard
→A positive target charge has a positive charge 64 times as large on its left at distance 4 units and a negative charge 128 times as large on its right at distance 8 units. In which direction is the net force on the target charge?
Class 12 · Physics · Hard
→If the electrostatic force is to become one-tenth of its original value while the product of the charges becomes two-fifths of its original value, what change in separation is required?
Class 12 · Physics · Hard
→If the electrostatic force must become seven times its original value while the product of the charges becomes twenty-eight times, what change in separation is required?
Class 12 · Physics · Medium
→If the electrostatic force is to remain unchanged while the separation between the charges is made thirteen times, what change is required in the product of the charges?
Class 12 · Physics · Medium
→The electrostatic force between two charges in air is 144 N. In a medium, the force becomes one-sixteenth of its air value. If one charge is then made four times, what is the new force?
Class 12 · Physics · Hard
→The force between two charges in air is 450 N. In a medium it becomes one-ninth of the air value, while the separation is halved. The charges remain unchanged. What is the new force?
Class 12 · Physics · Hard
→As the angle between two equal forces increases from 0° to 180°, at which angle is the resultant minimum?
Class 12 · Physics · Medium
→A charge experiences a 60 N rightward force and an 80 N upward force. What is the magnitude of the resultant force?
Class 12 · Physics · Medium
→A charge experiences a force of 63 N westward and 16 N northward. In which direction does the resultant force point?
Class 12 · Physics · Medium
→A target charge experiences a force of 39 N eastward and 80 N northward. What is the magnitude of the resultant force?
Class 12 · Physics · Hard
→A negative target charge has a 64-times negative charge on the left at a distance of 4 units and a positive charge of unit magnitude on the right at a distance of 2 units. What is the direction of the net force?
Class 12 · Physics · Medium
→A positive target charge has a 72-times negative charge on the left at a distance of 6 units and an 18-times negative charge on the right at a distance of 3 units. What is the net force on the target?
Class 12 · Physics · Medium
→A negative charge is exactly midway between two equal positive charges. If the left outer charge becomes four times its original value and the right outer charge becomes one-third of its original value, what is the direction of the net force on the negative charge?
Class 12 · Physics · Medium
→A positive charge is placed exactly midway between two equal positive charges. If the left outer charge is reduced to one-eighth of its original value, in which direction is the net force on the middle charge?
Class 12 · Physics · Hard
→A positive target charge has a 125-times positive charge on the left at a distance of 5 units and a 28-times positive charge on the right at a distance of 3 units. What is the direction of the net force on the target?
Class 12 · Physics · Expert
→A positive target charge has a 32-times positive charge on its left at distance 4 and an 8-times positive charge on its right at distance 2. What is the direction of the net force?
Class 12 · Physics · Expert
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