Home
Class 12
PHYSICS
A charged particle is whirled in a horiz...

A charged particle is whirled in a horizontal circle on a frictionless table by attaching it to a string fixed at one pint. If a magnetic field is wsitched on in the vertical direction, the tension in the string

A

will increase

B

will decrease

C

will remain the same

D

may increase or decrease

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION A)|34 Videos
  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE|Exercise SECTION B|25 Videos
  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE|Exercise TRY YOURSELF|11 Videos
  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE|Exercise Assignment (SECTION - J)|2 Videos
  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE|Exercise Assignment Section J (Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

A stone with a mass of 0.9 kg is attached to one end of a string 0.8 m long. The string will break if its tension exceeds 500 N. The stone is whirled in a horizontal circle on a frictionless table top. The other end of the string is kept fixed. Find the maximum speed of the stone, it can attain without breaking the string.

A stone tied to a string of length l is whirled in a horizontal circle at a constant angular speed omega in a circle of radius r. If the string makes an angle theta with vertical then the tension in the string is :

A particle of mass m and charge Q is attached to a string of length l. It is whirled in a vertical circle in the region of an electric field E as shown in the figure-5.105.What is the speed given to the particle at the point B,so that tension in the string when the particle is at A is ten times the weight of the particle?

A particle tied with a string is whirled along a vertcial circle.

A particle of mass 21 g attached to a string of 70 cm length is whirled round in a horizontal circle. If the period of revolution is 2s, find the tension in the string.

A particle is rotated in a vertical circle by connecting it to a string of length l and keeping the other end of the string fixed. The minimum speed of the particle when the string is horizontal for which the particle will complete the circle is

A particle of mass 200 g , is whirled into a vertical circle of radius 80 cm uisig a massless string The speed of the particle when the string makes an angle of 60^(@) with the vertical line is 1.5ms^(-1). The tension in the string at this position is

A particle of mass 20 g is whirled into a vertical circle of radius 80cm using a massless string The speed of the particle when the string makes an angle 60^(@) with the verticle line is 1.5ms^(-1) What is the tension in the string in this position ?

A mass 2 kg is whirled in a horizontal circle by means of a string at an initial speed of 5 revolutions per minute . Keeping the radius constant the tension in the string is doubled. The new speed is nearly

AAKASH INSTITUTE-MOVING CHARGE AND MAGNESIUM-EXERCISE
  1. If a positively charged particle is moving as shown in the figure, the...

    Text Solution

    |

  2. There is a magnetic field acting in a plane perpendicular to this shee...

    Text Solution

    |

  3. A charged particle is whirled in a horizontal circle on a frictionless...

    Text Solution

    |

  4. A particle having a charge of 10.0muC and mass 1mug moves in a circle ...

    Text Solution

    |

  5. A particle of charged 1 muC is at rest in a magnetic field vecB=-2hatk...

    Text Solution

    |

  6. A proton and an alpha-particle enter a uniform magnetic field moving w...

    Text Solution

    |

  7. A particle of charge per unit mass alpha is released from origin with ...

    Text Solution

    |

  8. A particle with a specific charge s is fired with a speed v toward a w...

    Text Solution

    |

  9. A particle of mass mand charge q, moving with velocity v enters Region...

    Text Solution

    |

  10. A charged particle enters a magnetic field at right angles to the fiel...

    Text Solution

    |

  11. A thin ring of radius R metre has charge q coulomb uniformly spread ...

    Text Solution

    |

  12. Two similar circular loops of radius R are lying concentrically with t...

    Text Solution

    |

  13. A circular coil carrying a certain, current produces a magnetic field ...

    Text Solution

    |

  14. The magnetic induction at the centre of a current carrying circular co...

    Text Solution

    |

  15. Same current i is flowing in the three infinitely long wires along pos...

    Text Solution

    |

  16. Magnetic field at point O due to the given structure is

    Text Solution

    |

  17. Magnetic field at the centre O due to the given structure is

    Text Solution

    |

  18. A solenoid 1.5 metre and 4.0 cm in diameter possesses 10 turns/cm. A c...

    Text Solution

    |

  19. Two thick wires and two thin wires, all of the same materais and sam...

    Text Solution

    |

  20. Current I(0) flows through solenoid of length L having N number of tur...

    Text Solution

    |