Home
Class 12
PHYSICS
A straight wire of mass 200 g and length...

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

0.65

B

0.55

C

0.75

D

0.45

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 105

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 107

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

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 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 2.5 m long straight wire having mass of 500 g is suspended in mid air by a uniform horizontal magnetic field B. If a current of 4 A is passing through the wire then the magnitude of the field is ("Take g "10 m s^(-2))

NTA MOCK TESTS-NTA NEET SET 106-PHYSICS
  1. In the circuit figure, the voltmeter reads 30 V. The resistance of the...

    Text Solution

    |

  2. An emf of 15 V is applied in a circuit containing 5 H inductance and 1...

    Text Solution

    |

  3. A straight wire of mass 200 g and length 1.5 m carries a current of 2 ...

    Text Solution

    |

  4. A mass of 1kg carrying a charge of 2C is accelerated through a potenti...

    Text Solution

    |

  5. The magnetic field In a travelling electromagnetic wave has a peak val...

    Text Solution

    |

  6. If a man weighs 90 kg on the surface of the earth, the height above th...

    Text Solution

    |

  7. Two satellites A and B go around a planet in circular orbits of radii ...

    Text Solution

    |

  8. The amount of heat energy radiated by a metal at temperature T is E. W...

    Text Solution

    |

  9. A thermally insulated container is divided into two parts by a screen....

    Text Solution

    |

  10. A Carnot engine, having an efficiency of eta= 1/10 as heat engine, is ...

    Text Solution

    |

  11. A current carrying squre loop is placed near an infinitely long curre...

    Text Solution

    |

  12. The magnetic dipole moment of current loop is independent of

    Text Solution

    |

  13. A parachutist after bailing out falls 50m without friction. When parac...

    Text Solution

    |

  14. A man throws a packet from a tower directly aiming at his friend who i...

    Text Solution

    |

  15. Two masses m1 and m2 (m1gtm2) are connected by massless flexible and i...

    Text Solution

    |

  16. A bomb of mass 30 kg at rest explodes into two pieces of mass 18 kg ...

    Text Solution

    |

  17. The energy released by fission of one U^(235) atom is 200 MeV. Calcula...

    Text Solution

    |

  18. In a nuclear reactor, the fuel is consumed at the rate of 1 mg//s. The...

    Text Solution

    |

  19. The potential energy of a simple harmonic oscillator of mass 2 kg in i...

    Text Solution

    |

  20. A mass of 2.0 kg is put on a flat pan attached to a vertical spring fi...

    Text Solution

    |