Home
Class 12
PHYSICS
Two point charges q(A)= 3mu C and q(B) =...

Two point charges `q_(A)= 3mu C and q_(B) = - 3muC` are located 20cm apart in vacuum. What is the electric field at the mid point of the line joining the two charges.

A

`54 xx 10^(6)N//C` along OA

B

`5.4 xx 10^(6) N//C` along OB

C

`5.4 xx 10^(-6) N//C` along OB

D

`54 xx 10^(-6)N//C` along OB

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Exercise-II|56 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|42 Videos
  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos

Similar Questions

Explore conceptually related problems

Two point charges q_(A) = 3 mu C and q_(B) = -3 muC are located 20 cm apart in vaccum (a) what is the electric field at the mid point O of the line AB joining the two charges ? (b) If a negative test charge of magnitude 1.5xx10^(-9) C is placed at the point, what is the force experienced by the test charge ?

Two point charges Q_1 = 400 muC and Q_2 = 100 muC are kept fixed, 60 cm apart in vacuum. Find intensity of the electric field at midpoint of the line joining Q_1 and Q_2 .

Two tiny spheres carrying charges 1.5 muC and 2.5 muC are located 30 cm apart. Find the potential (a) at the mid-point of the line joining the two charges and (b). At a point 10 cm from this mid-point in a plane normal to the line and passing through the mid-point.

Two charges + 10 muC and + 20 muC are placed at a. separation of 2 cm. Find the electric potential due to the. pair at the middle point of the line joining the two charges.

Two charges +5mu C and +10 mu C are placed 20 cm apart. The net electric field at the mid-point between the two charges is

Two tiny spheres carrying charges 1.8 muC and 2.8 mu C are located at 40 cm apart. The potential at the mid-point of the line joining the two charges is

Two point charges of 20 mu C and 80 muC are 10 cm apart where will the electric field strength be zero on the line joining the charges from 20 mu C charge

Fig. shows some of the electric field lines due to three point charges arranged along the vertical axis. All three charges have the same magnitude. (a) What are the signs of each of the three charges? Explain your reasoning. (b) At what points(s) is the magnitude of the electric field the smallest? Explain your reasoning. Explain how the fields produced by each individual point charge combine to give a small net field at this point or points. (c ) Two point charges q and -q are placed at a distance d apart. What are the points at which the resultant electric field is parallel to the line joining the two charge? .

Two electric charges of 9 mu C and -3 mu C are placed 0.16 m apart in air. There will be a point P at which electric potential is zero on the line joining two charges and in between them. The distance of P from 9 mu C is

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

AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Practice Exercise
  1. Two point charges +8q and -2q are located at x=0 and x=L respectively....

    Text Solution

    |

  2. A hollow spherical conductor of radius 1m has a charge of 250mu C then...

    Text Solution

    |

  3. Two point charges q(A)= 3mu C and q(B) = - 3muC are located 20cm apart...

    Text Solution

    |

  4. The displacement bar(r ) of a charge Q in an electric field E= e(1) ha...

    Text Solution

    |

  5. A solid sphere of radius 2.45m is rotating with an angular speed of 10...

    Text Solution

    |

  6. A 0.50 gm ball carries a charge of magnitude 10mu C. It is suspended b...

    Text Solution

    |

  7. Two equal and opposite charges of magnitude 0.2 mu C are 15 cm apart, ...

    Text Solution

    |

  8. Three charges each of +4mu C are the corners B, C, D of a square ABCD ...

    Text Solution

    |

  9. There are n electrons of charge on a drop of oil of density rho. It is...

    Text Solution

    |

  10. The electrons in a particle beam each have a kinetic energy of 1.6 xx ...

    Text Solution

    |

  11. Two charged particles having masses in the ratio 2: 3 and charges in t...

    Text Solution

    |

  12. ABC is an equilateral triangle. Charges +q are placed at each corner. ...

    Text Solution

    |

  13. An alpha particle is situated in an electric field of 10^(6)N//C. The ...

    Text Solution

    |

  14. Four charges of +q, +q, +q and +q are placed at the corners A, B, C an...

    Text Solution

    |

  15. The electric intensity due to a dipole of length 10 cm and having a ch...

    Text Solution

    |

  16. An electric, dipole consisting of two opposite charges of 2 xx 10^(-6)...

    Text Solution

    |

  17. A molecule with a dipole moment p is placed in an electric field of st...

    Text Solution

    |

  18. An electric dipole of dipole moment p is placed in the position of sta...

    Text Solution

    |

  19. For dipole q=2 xx 10^(-6) C and d = 0.01 m, calculate the maximum torq...

    Text Solution

    |

  20. An electric dipole of moment p is placed normal to the lines of force ...

    Text Solution

    |