A charge q1 exerts some force on a second charge q2- If third charge q3 is brought near- the force of q1 exerted on q2A- DecreasesB- IncreasesC- Remains unchangedD- Increases if q3 is of the same sign as q1 and decreases if q3 is of opposite sign

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Standard XII

Physics

How to Visualize Electric Fields

A charge q1 e...

Question

A charge $q_{1}$ exerts some force on a second charge $q_{2}$ . If third charge $q_{3}$ is brought near, the force of $q_{1}$ exerted on $q_{2}$

Decreases

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Increases

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Remains unchanged

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Increases if

q_{3}

is of the same sign as

q_{1}

and decreases if

q_{3}

is of opposite sign

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Solution

The correct option is C Remains unchanged
According to Superposition Principle the electrostatic force of interaction between two point charges does not depend on the presence of other charges. The force will still remain $\frac{q_{1} q_{2}}{4 π ϵ_{0} r^{2}}$

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Similar questions

Q. A charge

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Q. A charge q1 exerts some force charge q2. If q3 is brought near, the force of q1 on q2

Q. A point charge

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Three point charges $Q_{1}$ , $Q_{2}$ and $Q_{3}$ in that order are placed equally spaced along a straight line. $Q_{2}$ and $Q_{3}$ are equal in magnitude but opposite in sign. If the net force on $Q_{3}$ is zero, the value of $Q_{1}$ is :

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from this combination is a repulsion of

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A charge q1 exerts some force on a second charge q2. If third charge q3 is brought near, the force of q1 exerted on q2

The correct option is C Remains unchangedAccording to Superposition Principle the electrostatic force of interaction between two point charges does not depend on the presence of other charges. The force will still remain q1q24πϵ0r2

A charge $q_{1}$ exerts some force on a second charge $q_{2}$ . If third charge $q_{3}$ is brought near, the force of $q_{1}$ exerted on $q_{2}$

The correct option is C Remains unchanged
According to Superposition Principle the electrostatic force of interaction between two point charges does not depend on the presence of other charges. The force will still remain $\frac{q_{1} q_{2}}{4 π ϵ_{0} r^{2}}$