Home
Class 12
PHYSICS
The figure shows two point charges 2Q(gt...

The figure shows two point charges 2Q(gt0) and -Q. The charges divide the line joining them in three parts I, II, and III.

A

Region III has a local maxima of electric field.

B

Region I has a local minima of electric field.

C

Equilibrium position for a test charge lies in region II.

D

The equilibrium (if there is any) is stable for a negative test charge.

Text Solution

Verified by Experts

The correct Answer is:
A, D
a.,d.
Electric field is zero only at a point in region III. Equilibrium at this point will be stable for a negatie charge.
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS VOLUME 3

    CENGAGE PHYSICS|Exercise Assertion and Reason Type|8 Videos

  • MISCELLANEOUS VOLUME 3

    CENGAGE PHYSICS|Exercise Comprehension Type|94 Videos

  • MISCELLANEOUS VOLUME 3

    CENGAGE PHYSICS|Exercise True and False|3 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    CENGAGE PHYSICS|Exercise Question Bank|4 Videos

  • MISCELLANEOUS VOLUME 5

    CENGAGE PHYSICS|Exercise Integer|12 Videos

Similar Questions

Explore conceptually related problems

The figure- shows, two point charges q_(1) = +2Q and q_(2) = -Q . The charges divide the line joining them in three parts I, II and III as shown in figure-1.424 then which_ofthe following statements is/are correct

Draw E-r and V-r graphs due to two point charges + q and -2q kept at some along the line joining these two charges.

Two point charges +4q and +q are placed 30cm apart. At what point on the line joining them is the electric field zero

Figure shows three metallic plates with charges Q, 4Q, and -Q, respectively. Determine the final charges on all the surfaces.

(a) Derive and expression for the electric field at any point on the equatorial line of an electric dipole. (b) Two identical point charges, q each kept 2m apart in air. A third point charge Q of unknown magnitude and sign is placed on the line joining the charges such that the system remains in equilibrium. Find the position and nature of Q.

Fig shows three point charges +2q, -q and + 3q , What is the electric flux due to this configuration thorugh the surface S ?

The field lines for two point charges shown in fig. (i) Is the field uniform? (ii) Determine the ratio q_(A)//q_(B) . (iii) What are the sign of q_(A) and q_(B) ? (iv) Apart from infinity, where is the neutral point? (v) If q_(A) and q_(B) are separated by a distance 10(sqrt(2)-1) cm, find the position of neutral point. (vi) where will the lines meet which are coming from A and are not meeting at q_(B) ? (vii) Will a positive charge follow the line of force if free to move?

Two point charges Q_1 and Q_2 lie along a line at a distance from each other. Figure 3.7 shows the potential variation along the line of charges. At which of the points 1, 2, and 3 is the electric field zero ? What are the singns of the charges Q_1 and Q_2 and which of the two charges is greater in magnitude ? .

Two identical charges +Q are kept fixed some distance apart.A small particles P with charge q is placed midway between them . If P is given a small displacement Delta ,it will undergo simple harmonic motion if (i) q is positive and Delta is along the line joining the charges (ii) q is positive and Delta is perpendicular to the line joining the charges (iii) q is negative and Delta is perpendicular to the line joining the charges (iv) q is positive and Delta is along the line joining the charges

CENGAGE PHYSICS-MISCELLANEOUS VOLUME 3-Multiple Correct Answer type
  1. Three identical parallel conducting plates A, B and C are placed as sh...

    Text Solution

    |

  2. A parallel plate capacitor is charged from a cell and then isolated fr...

    Text Solution

    |

  3. The figure shows two point charges 2Q(gt0) and -Q. The charges divide ...

    Text Solution

    |

  4. A charged particle X moves directly towards another charged particle Y...

    Text Solution

    |

  5. In figure half of the space between the plates of a parallel plate cap...

    Text Solution

    |

  6. Four identical metallic plates (1,2,3, and 4) are arranged in air at s...

    Text Solution

    |

  7. The figure shows a capacitor having three dielectric layers parallel t...

    Text Solution

    |

  8. Two small balls A and B of positive charge Q each and masses m and 2m,...

    Text Solution

    |

  9. For the situation shown in the figure, select the correct statements (...

    Text Solution

    |

  10. A parallel plate capacitor is charged and the charging battery is then...

    Text Solution

    |

  11. The plates of a parallel plate capacitor are, not exactly parallel. Th...

    Text Solution

    |

  12. Rows of capacitors containing 1, 2, 4, 8, ……., oo capacitors, each of...

    Text Solution

    |

  13. Figure shows an arrangement of four identical rectangular plates A,B,C...

    Text Solution

    |

  14. Two infinite plane sheets of charge A and B of positive charge have su...

    Text Solution

    |

  15. A ball at O is in equilibrium as it is attached with two strings AO an...

    Text Solution

    |

  16. A charged cork of mass m suspended by a light string is placed in unif...

    Text Solution

    |

  17. The following figure-I .427 shows a block of mass m suspended from a f...

    Text Solution

    |

  18. Three charged particle sare in equilibrium under their electrostatic f...

    Text Solution

    |

  19. Consider the following conclusiond regarding the components of an elec...

    Text Solution

    |

  20. There is a fixed positive charges Q at O, and A and B are points equid...

    Text Solution

    |