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Chapter1 Electric Charges And Fields

Class 12 Physics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

PhysicsThree equal positive charges lie on a straight line with equal spacing. If the left outer charge is changed to one-fourth of its original value and the right outer charge is changed to twelve times its original value, in which direction is the net force on the middle charge?Class 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)HardPhysicsIf 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)MediumPhysicsA 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)HardPhysicsA 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)HardPhysicsA 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)HardPhysicsIf 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)HardPhysicsIf 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)HardPhysicsIf 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)MediumPhysicsThe 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)MediumPhysicsThe 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)HardPhysicsAs the angle between two equal forces increases from 0° to 180°, at which angle is the resultant minimum?Class 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)HardPhysicsA charge experiences a 60 N rightward force and an 80 N upward force. What is the magnitude of the resultant force?Class 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)MediumPhysicsA charge experiences a force of 63 N westward and 16 N northward. In which direction does the resultant force point?Class 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)MediumPhysicsA target charge experiences a force of 39 N eastward and 80 N northward. What is the magnitude of the resultant force?Class 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)MediumPhysicsA 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)HardPhysicsA 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)MediumPhysicsA 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)MediumPhysicsA 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)MediumPhysicsA 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)HardPhysicsA 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 12Electric Charges and FieldsCoulomb's Law (force between multiple charges)Expert

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