# Three charges –q1 , +q2 and –q3 are place as shown in the figure. The x – component of the force on –q1 is proportional to

Question:

Three charges $-q_{1},+q_{2}$ and $-q_{3}$ are place as shown in the figure. The $x-$ component of the force on $-q_{1}$ is proportional to

1. $\frac{q_{2}}{b^{2}}-\frac{q_{3}}{a^{2}} \cos \theta$

2. $\frac{q_{2}}{b^{2}}+\frac{q_{3}}{a^{2}} \sin \theta$

3. $\frac{q_{2}}{b^{2}}+\frac{q_{3}}{a^{2}} \cos \theta$

4. $\frac{q_{2}}{b^{2}}-\frac{q_{3}}{a^{2}} \sin \theta$

Correct Option: 2

Solution:

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