Home
Class 12
PHYSICS
A particle having mass m and charge q is...

A particle having mass m and charge q is released from the origin in a region in which electric field and magnetic field are given by
` vecB =- B_0vecJ and vecE = E_0 vecK.`
Find the speed of the particle as a function of its z-coordinate.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRODYNAMICS

    RESONANCE ENGLISH|Exercise Exercise-1 PART-2|54 Videos

  • ELECTRODYNAMICS

    RESONANCE ENGLISH|Exercise Exercise-2 PART-1|15 Videos

  • ELECTRODYNAMICS

    RESONANCE ENGLISH|Exercise PROBLEM|12 Videos

  • ELECTRO MAGNETIC WAVES

    RESONANCE ENGLISH|Exercise Exercise 3|27 Videos

  • ELECTROMAGNETIC INDUCTION

    RESONANCE ENGLISH|Exercise A.l.P|19 Videos

Similar Questions

Explore conceptually related problems

A particle having mass m and charge q is released from the origin in a region in which ele field and magnetic field are given by B=-B_0hatj and E=E_0hatk . Find the y- component of the velocity and the speed of the particle as a function of it z-coordinate.

A particle of mass m and charge q is thrown in a region where uniform gravitational field and electric field are present. The path of particle:

A particle having charge q moves with a velocity v through a region in which both an electric field vecE and a magnetic field B are present. The force on the particle is

A particle is released from the origin with a velocity vhate(i) . The electric field in the region is Ehate(i) and magnetic field is Bhat(k) . Then

A charged particle of mass m and charge q is released from rest in an electric field of constant magnitude E . The kinetic energy of the particle after time t is

A particle of mass m and positive charge q is projected with a speed of v_0 in y–direction in the presence of electric and magnetic field are in x–direction. Find the instant of time at which the speed of particle becomes double the initial speed.

A charge particle of mass m and charge q is released from rest in uniform electric field. Its graph between velocity (v) and distance travelled (x) will be :

A charge particle of mass m and charge q is released from rest in uniform electric field. Its graph between velocity (v) and distance travelled (x) will be :

A charge q moves region in a electric field E and the magnetic field B both exist, then the force on its is

A particle of charge q and mass m released from origin with velocity vec(v) = v_(0) hat(i) into a region of uniform electric and magnetic fields parallel to y-axis. i.e., vec(E) = E_(0) hat(j) and vec(B) = B_(0) hat(j) . Find out the position of the particle as a functions of time Strategy : Here vec(E) || vec(B) The electric field accelerates the particle in y-direction i.e., component of velocity goes on increasing with acceleration a_(y) = (F_(y))/(m) = (F_(e))/(m) = (qE_(0))/(m) The magnetic field rotates the particle in a circle in x-z plane (perpendicular to magnetic field) The resultant path of the particle is a helix with increasing pitch. Velocity of the particle at time t would be vec(v) (t) = v_(x) hat(i) + v_(y) hat(j) + v_(z) hat(k)

RESONANCE ENGLISH-ELECTRODYNAMICS-Exercise-1 PART-1
  1. A particle moves in a circle of diamater 1.0 cm under the action of ma...

    Text Solution

    |

  2. A proton goes undflected in a crossed and magnetic field (the fields...

    Text Solution

    |

  3. A particle having mass m and charge q is released from the origin in a...

    Text Solution

    |

  4. Consider a 10cm long protion of a straight wire carrying a current of ...

    Text Solution

    |

  5. A current of 2 A enters at the corner d of a square frame abcd of side...

    Text Solution

    |

  6. A magnetic field of strength 1.0 T is produced by a strong electromagn...

    Text Solution

    |

  7. A wire of length L carries a current i along the x-axis. A magnetic fi...

    Text Solution

    |

  8. A current of 10 A exists in the circuit figure.The wire PQ has a lengt...

    Text Solution

    |

  9. A thin straight horizontal wire of length 0.2 m whose mass is 10^(-4) ...

    Text Solution

    |

  10. A wire, carrying a current i, is kept in the x-y plane along the curve...

    Text Solution

    |

  11. A rigid wire consists of a semicircular portion of radius R and two s...

    Text Solution

    |

  12. A matel wire PQ of mass 10g lies at rest on two horizontal metal rails...

    Text Solution

    |

  13. The magnetic field existing in a region is given by vecB =B0(1+(x)/(l)...

    Text Solution

    |

  14. Two parallel wires separated by a distance of 10cm carry currents of 1...

    Text Solution

    |

  15. Figure shows a part of an electric circuit. The wires AB, CD, and EF a...

    Text Solution

    |

  16. A straight , long wire carries a current a current of 20A. Another wir...

    Text Solution

    |

  17. Two long straight parallel conductors are separated by a distance of 5...

    Text Solution

    |

  18. A straight wire of length l can slide on two parallel plastic rails k...

    Text Solution

    |

  19. Consider a solid sphere of radius r and mass m which has charge q dist...

    Text Solution

    |

  20. An electron in the ground state of hydrogen atom is removing in unanti...

    Text Solution

    |