Home
Class 12
PHYSICS
Two point charges of same magnitude and ...

Two point charges of same magnitude and opposite sign are fixed at point a and B. A third small point charge is to be balanced at point P by the electrostatic force due to these two charges. The point P :

A

lies on the perpendicular bisector of line AB

B

is at mid point of line AB

C

lies to the left of A

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ELECTROSTATICS

    RESONANCE|Exercise Part- II|20 Videos
  • ELECTROSTATICS

    RESONANCE|Exercise Part - IV|9 Videos
  • ELECTROSTATICS

    RESONANCE|Exercise Part - III|20 Videos
  • ELECTROMAGNETIC INDUCTION

    RESONANCE|Exercise A.l.P|19 Videos
  • EXPERIMENTAL PHYSICS

    RESONANCE|Exercise PART -II|10 Videos

Similar Questions

Explore conceptually related problems

Consider two point charges of equal magnitude and opposite sign separated by a certain distance. The neutral point due to them

Value of potential at a point due to a point charge is

Knowledge Check

  • Two point charges of different magnitudes and of opposite signs are separated by some distance. There can be.

    A
    only on the point in space where net electric field intensity is zero.
    B
    only two points in space where net electric potential is zero
    C
    infinite number of points in space where net electric field intensity is `0`
    D
    infinite number of points in space where net electric potential is zero.
  • Two positive point charges of unequal magnitude are placed at a certain distance apart. A small positive test charge is placed at null point, then

    A
    The test charge is in unstable equilibrium
    B
    The test charge is in stable equilibrium
    C
    The test charge is in neutral equilibrium
    D
    The test charge is not in equilibrium
  • Two point charges q each are fixed at (a,0) and (-a,0). A third charge Q is placed at origin. Electrons potential energy of the system will

    A
    increase if `Q` is slightly displaced along x-axis
    B
    decrease if Q is slightly displaced along x-axis
    C
    increase if Q is slightly displaced along y-axis
    D
    decrease if Q is slightly displaced along y-axis
  • Similar Questions

    Explore conceptually related problems

    Two point charges each of 5 muC but opposite in sign are placed 4cm from the mid point on the axial line of dipole.

    Two fixed point charges +4e and +e units are separated by a distance a. Where should a third point charge be placed for it to be in equilibrium?

    Two positive point charges , each Q , are fixed at separation d . A third charge q is placed in the middle. Describe the equilibrium of the third charge.

    Draw the electric field lines due to two equal and same point charges.

    Two point charges Q are kept fixed on XY-plane at points A(0, d) and B(0, -d). Another point charge -q with mass m is held at a point, on the positive side of X-axis that is at the distance 2d from both the fixed point charges. What will be the magnitude of acceleration of the negative point charge (i) just after it is released from its location? (ii) at an instant it crosses the origin?