Home
Class 12
PHYSICS
A straight wire of length 50 cm carrying...

A straight wire of length 50 cm carrying a current of 2.5 A is suspended in mid-air by a uniform magnetic field of 0.5 T (as shown in figure). The mass of the wire is (g = 10 `ms^(-2)`)

A

250 g

B

125 g

C

62.5 g

D

100 g

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos
  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise CRITICAL THINKING|68 Videos
  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos
  • MAGNETISM

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

A wire of length 15 cm carrying current of 5 Ais balanced in air by a uniform magnetic field, B. The mass of wire is 0.5 grams. Calculate the value of B. Use g = 10 ms^(-2) .

A straight wire of mass 200 g and length 1.5 m carries a current of 2 A. It is suspended in mid-air by a uniform horizontal magnetic field B. What is the magnitude of the magnetic field?

A straight wire of mass 400 g and length 2m carries a current of 2A. It is suspended in mid air by a uniform horizontal field B. What is the magnitude of the magnetic field ?

A straight wire having mass of 1.2 kg and length of 1m carries a current of 5 A. If the wire is suspended in mid-air by a uniform horizontal magnetic field, then the magnitude of field is

A straight wire, of length L, carrying a current I, stays suspended horizontally in mid air in a region where there is a uniform magnetic field vecB . The linear mass density of the wire is lambda . Obtain the magnetic of this magnetic field.

A straight wire of length 0.5 m carrying a current of 1.6 ampere is placed in a uniform magnetic field of induction 2 T. If the magnetic field is perendicular to the length of the wire, then force on the wire is

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-COMPETITIVE THINKING
  1. A proton, a deuteron and an alpha- particle having the same kinetic en...

    Text Solution

    |

  2. A proton, a deuteron and an alpha-particle with the same KE enter a re...

    Text Solution

    |

  3. A straight wire of length 50 cm carrying a current of 2.5 A is suspend...

    Text Solution

    |

  4. shows a triangular loop PQR carrying a current i. The triangle is equi...

    Text Solution

    |

  5. An electron moving in a circular orbit of radius makes n rotations per...

    Text Solution

    |

  6. A proton, a deuteron and an alpha particle are accelerated through sam...

    Text Solution

    |

  7. A particle carrying a charge equal to 100 times the charge on an elect...

    Text Solution

    |

  8. A helium nucleus makes a full rotation in a circle of radius 0.8 metre...

    Text Solution

    |

  9. In the figure, what is the magnetic field at the point O ?

    Text Solution

    |

  10. A wire carrying current I has the shape as shown in the adjoining ...

    Text Solution

    |

  11. A staright wire of length (pi^(2)) meter is carrying a current of 2A a...

    Text Solution

    |

  12. Magnetic field at the centre of coil of n turns, bent in the form of a...

    Text Solution

    |

  13. Two identical wires A and B , each of length 'l', carry the same curre...

    Text Solution

    |

  14. A length L of wire carrying current I is to be bent into circle or a s...

    Text Solution

    |

  15. A current carrying thin uniform wire of length '4l' is bent like a squ...

    Text Solution

    |

  16. A sqaure loop ABCD, carrying a current I(2) is placed near and coplan...

    Text Solution

    |

  17. A long conducting wire carrying a current I is bent at 120^(@) ( see ...

    Text Solution

    |

  18. A current I is flowing in a conductor shaped as shown in figure. The r...

    Text Solution

    |

  19. The magnetic inductionn at the centre O in the figure shown is

    Text Solution

    |

  20. Two long parallel wires P and Q are both perpendicular to the plane of...

    Text Solution

    |