Question:
Two point charges (-q) and (+4q) are placed at that separation ‘r’. Where should a third charge be placed so that the entire system of charges becomes in equilibrium?
Two point charges (-q) and (+4q) are placed at that separation ‘r’. Where should a third charge be placed so that the entire system of charges becomes in equilibrium?
Updated On: Mar 12, 2025
- At separation ‘r’ from -q on the extreme side of -q
- At separation ‘r’ from 4q on the extreme side of 4q
- At separation ‘r/2’ from -q in between the two charges
- At separation ‘r/4’ from 4q in between the two charges
Hide Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
The correct answer is (A): At separation ‘r’ from -q on the extreme side of -q
Was this answer helpful?
0
0
Top Questions on Electric charges and fields
- Define electric flux through a surface. Give the significance of a Gaussian surface. A charge outside a Gaussian surface does not contribute to total electric flux through the surface. Why?
- CBSE CLASS XII - 2025
- Physics
- Electric charges and fields
- A small conducting sphere A of radius \( r \) charged to a potential \( V \), is enclosed by a spherical conducting shell B of radius \( R \). If A and B are connected by a thin wire, calculate the final potential on sphere A and shell B.
- CBSE CLASS XII - 2025
- Physics
- Electric charges and fields
The magnitude of heat exchanged by a system for the given cyclic process ABC (as shown in the figure) is (in SI units):
- JEE Main - 2025
- Physics
- Electric charges and fields
- A particle of mass \( m \) and charge \( q \) is fastened to one end \( A \) of a massless string having equilibrium length \( l \), whose other end is fixed at point \( O \). The whole system is placed on a frictionless horizontal plane and is initially at rest. If a uniform electric field is switched on along the direction as shown in the figure, then the speed of the particle when it crosses the x-axis is:
- JEE Main - 2025
- Physics
- Electric charges and fields
The magnitude of heat exchanged by a system for the given cyclic process ABC (as shown in the figure) is (in SI units):
- JEE Main - 2025
- Physics
- Electric charges and fields
View More Questions
Questions Asked in CUET exam
- Find the ratio of de-Broglie wavelengths of deuteron having energy E and \(\alpha\)-particle having energy 2E :
- CUET (UG) - 2026
- Dual nature of radiation and matter
- Had he ________ the importance of the meeting, he would have made sure to attend.
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world- CUET (UG) - 2025
- Sentence Arrangement
- The following solutions were prepared by dissolving 1 g of solute in 1 L of the solution. Arrange the following solutions in decreasing order of their molarity: (A) Glucose (molar mass = 180 g mol$^{-1}$)
(B) NaOH (molar mass = 40 g mol$^{-1}$)
(C) NaCl (molar mass = 58.5 g mol$^{-1}$)
(D) KCl (molar mass = 7(4)5 g mol$^{-1}$)
- CUET (UG) - 2025
- Mole concept and Molar Masses
- Which one of the following guides the entry of the pollen tube into the embryo sac?
- CUET (UG) - 2025
- Plant Evolution
View More Questions