Home
Class 12
PHYSICS
An electron is moving with speed 2xx10^5...

An electron is moving with speed `2xx10^5 m//s` along the positive x-direction in the presence of magnetic induction `vecB = (hat i + 4 hat j - 3 hat k) T`. The magnitude of the force experienced by the electron in `N ( e = 1.6xx 10^(-19) C) ( vec F = q ( vec v xx vec B))`

A

`1.18xx10^(-13)`

B

`1.28xx10^(-13)`

C

`1.6xx10^(-13)`

D

`1.72xx10^(-13)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • KINETIC THEORY OF GASES

    ERRORLESS |Exercise QUESTIONS|126 Videos
  • MAGNETISM

    ERRORLESS |Exercise Assertion & Reason|1 Videos

Similar Questions

Explore conceptually related problems

A particle is moving with speed 6 m//s along the direction of vec(A) =2 hat i+2 hat j- hat k , then its velocity is :

An electron is constrained to move along the y- axis with a speed of 0.1 c (c is the speed of light) in the presence of electromagnetic wave, whose electric field is vec E = 30hat j sin (1.5 xx 10^7t - 5 xx 10^2x) V//m . The maximum magnetic force experienced by the electron will be : (given c = 3 xx 10^8 ms^(-1) and electron charge = 1.6 xx 10^(-19)C )

Find the magnitude of vec a give by vec a=(hat i+2hat j-2hat k)xx(-hat i+3hat k)

An electron enters an electric field having intensity vec(E )= (3 hat(i) + 6hat(j) +2 hat(k)) Vm^(-1) and magnetic field having induction vec(B)= (2 hat(i) + 3hat(j)) T with a velocity vec(V)= (2 hat(i) + 3hat(j)) ms^(-1) . The magnitude of the force acting on the electron is (Given e= -1.6 xx 10^(-19)C )

If vec A = hat i + 3 hat j + 2 hat K and vec B = 3 hat i + hat j + 2 hat k , then find the vector product vec A xx vec B .

If vec a=4hat i+6hat j and vec b=3hat j+hat k, then the component of vec a along vec b is

If vec A = 2 hat i + 3 hat j + hat k and vec B = 3 hat i + 2 hat j + 4 hat k , then find the value of (vec A+vec B)xx(vec A-vec B) .

A charge q=-4 mu C has an instantaneous velocity vec v = (2 hat i - 3 hat j + hat k)xx10^6 ms^-1 in a uniform magnetic field vec B = (2 hat i + 5 hat j - 3hat k)xx10^-2 T. What is the force on the charge?

If vec A + vec B =3 hat I + 6 hat j + 2 hat k and vec A - vec B = 6 hat I + 3 hat j - hat k . Find the magnitude of vec A and vec B and their scalar product vec A . Vec B .

ERRORLESS -MAGNETIC EFFECT OF CURRENT-Exercise
  1. H^(+), He^(+) and O^(++) all having the same kinetic energy pass thro...

    Text Solution

    |

  2. An ionized gas contains both positive and negative ions . If it is sub...

    Text Solution

    |

  3. An electron is moving with speed 2xx10^5 m//s along the positive x-dir...

    Text Solution

    |

  4. A particle of mass m and charge q moves with a constant velocity v alo...

    Text Solution

    |

  5. For a positively charged particle moving in a x-y plane initially alon...

    Text Solution

    |

  6. A horizontal rod of mass 10g and length 10cm is placed on a smooth pla...

    Text Solution

    |

  7. A wire of length L metre , carrying a current I ampere is bent in the...

    Text Solution

    |

  8. A thin circular wire carrying a current I has a magnetic moment M. The...

    Text Solution

    |

  9. A particle of charge q and mass m moves in a circular orbit of radius ...

    Text Solution

    |

  10. An elastic circular wire of length l carries a current I. It is placed...

    Text Solution

    |

  11. A and B are two conductors carrying a current i in the same direction ...

    Text Solution

    |

  12. Wires 1 and 2 carrying currents i(1) and i(2) respectively are incline...

    Text Solution

    |

  13. A conducting loop carrying a current I is placed in a uniform magnetic...

    Text Solution

    |

  14. A current carrying loop is placed in a uniform magnetic field in four...

    Text Solution

    |

  15. A metallic block carrying current I is subjected to a uniform magneti...

    Text Solution

    |

  16. Two insulated rings, one of a slighlty smaller diameter than the other...

    Text Solution

    |

  17. Two particles , each of mass m and charge q, are attached to the two ...

    Text Solution

    |

  18. Two very long, straight , parallel wires carry steady currents I &-I ...

    Text Solution

    |

  19. A ring of radius R, made of an insulating material carries a charge Q ...

    Text Solution

    |

  20. What will be the resulatant field at the origin due to the four ind...

    Text Solution

    |