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 switched 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 ENGLISH|Exercise ASSIGNMENT (SECTION A)|34 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise SECTION B|17 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise TRY YOURSELF|12 Videos

  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - J)|2 Videos

  • MOVING CHARGES AND MAGNETISM

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

Similar Questions

Explore conceptually related problems

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 metal bob of mass 0.6 kg is attached to the end of a string of length 1 m and the bob is whirled in a horizontal circle with a uniform speed of 12 m/s. What is the centripetal force acting on the bob ? If the speed of the bob is 5 m/s calculate the tension in the string.

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?

An object of mass 10kg is whirled round a horizontal circle of radius 4m by a revolving string inclined 30^(@) to vertical. If the uniform speed of the object is 5 m//sec, the tension in the string (approximately) is

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 stone is tied to one end of a string and rotated in horizontal circle with a uniform angular velocity. The tension in the string is T, if the length of the string is halved and its angular velocity is doubled , the tension in the string will be

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

A particle is rotated in vertical circle by connecting it to string fixed. The minimum speed of the particle when the string is horizontal for which the particle will complete the circle is

A particle is rotated in verticla circle by connecting it to string fixed. The minimum speed of the particle when the string is horizontal for which the particle will complete the circle is

AAKASH INSTITUTE ENGLISH-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 perpendi...

    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 m and charge q, moving with velocity v enters regio...

    Text Solution

    |

  10. A charged particule enters a magnetic field at right angles at the ...

    Text Solution

    |

  11. Charge q is uniformly spread on thin ring of radius R. The ring rotate...

    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 three infinitely long wires along positiv...

    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 materials and same...

    Text Solution

    |

  20. Current I flows through solenoid of length L having N number of turns,...

    Text Solution

    |