Home
Class 12
PHYSICS
A uniform magnetic field of magnitude 0....

A uniform magnetic field of magnitude `0.20` exists in space from east to west.A particle having mass `10^(-5)kg` and charge `10^(-5)C` is projected from south to north so that it moves with a uniform velocity.Find velocity of projection of the particle? `(g=10 m//s^(2))`

Text Solution

Verified by Experts

`mg=qVB` `V=(mg)/(qB)=50 m//s`
Promotional Banner

Topper's Solved these Questions

  • ELECTRODYNAMICS

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

  • ELECTRODYNAMICS

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

  • ELECTRODYNAMICS

    RESONANCE|Exercise PROBLEM|12 Videos

  • ELECTRO MAGNETIC WAVES

    RESONANCE|Exercise Exercise 3|27 Videos

  • ELECTROMAGNETIC INDUCTION

    RESONANCE|Exercise A.l.P|19 Videos

Similar Questions

Explore conceptually related problems

A uniform magnetic field of magnitude 0.20 T exists in space from east to west what speed should a particle of mass 0.010 g and having a charge 1.0 X 10^(-5)C be projected from south to north so that it moves with a uniform velocity?

A uniform magnetic field of magnitude 1T exists in region yge0 along hatk direction as shown. A particle of charge 1C is projected from point (-sqrt(3),-1) towards origin with speeds 1 m//sec . If mass of particle moves are:

A particle is projected from ground with velocity 40(sqrt2) m//s at 45^@ . Find (a) velocity and (b) displacement of the particle after 2 s. (g = 10 m//s^2)

A particle of specific charge alpha is projected from origin with velocity v=v_0hati-v_0hatk in a uniform magnetic field B=-B_0hatk . Find time dependence of velocity and position of the particle.

A particle moves with a uniform velocity of 50 m/s for 20 min. What is the velocity of particle at t = 2 min ?

A particle of mass 50 g is projected horizontally from the top of a tower of height 50 m with a velocity 20m//s . If g=10m//s^(2) , then find the :-

A particle of mass 2 kg chrge 1 mC is projected vertially with velocity k 10 ms^-1 . There is as uniform horizontal electric field of 10^4N//C, then

A uniform magnetic field of 30 mT exists in the +X direction. A particle of charge +ve and mass 1.67 xx 10^(-27) kg is projected through the field in the + y direction with a speed of 4.8 xx 10^(6) m/s (a) find the force on the charged particle in magnitude and direction (b) find the force if the particle were negatively charged. (c ) Describe the nature of path followed by the particle in both the cases

RESONANCE-ELECTRODYNAMICS-Exercise-1 PART-1
  1. Figure shows a convex lens of focal length 10cm lying in a uniform mag...

    Text Solution

    |

  2. If two charged particles of same mass and charge are describing circle...

    Text Solution

    |

  3. A uniform magnetic field of magnitude 0.20 exists in space from east t...

    Text Solution

    |

  4. A tightly-wound, long solenoid has n turns per unit length, a radius r...

    Text Solution

    |

  5. Two parallel wires carrying current in the same direction attract each...

    Text Solution

    |

  6. A particle having a charge of 5.0 mu C and a mass of 5.0x 10^(-12)kg ...

    Text Solution

    |

  7. A proton projected in a magnetic field of 0.04 T travels along a helic...

    Text Solution

    |

  8. An electron gun G emits electons of energy 2 keV travelling in the pos...

    Text Solution

    |

  9. An electron beam passes through a magnetic field of 2xx10^(-3) Wb//m^(...

    Text Solution

    |

  10. A conducting wire of length l, lying normal to a magnetic field B, mo...

    Text Solution

    |

  11. A currrent I is passed through a silver strip of width d and area of...

    Text Solution

    |

  12. A particle moves in a circle of radius 1.0 cm under the action of a ma...

    Text Solution

    |

  13. A proton goes undeflected in a crossed electric and magnetic field (th...

    Text Solution

    |

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

    Text Solution

    |

  15. Consider a 10 cm long portion of a straight wire carrying a current of...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. A wire of length l metre carries a current I ampere along the Y-axis. ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |