Home
Class 12
PHYSICS
A straight horizontal conducting rod of ...

A straight horizontal conducting rod of length 50 cm and mass 50 g is suspended by two vertical wires at its ends. A current of 5.0 A is set up in the rod through the wires. What magnetic field should be set up normal to the conductor in order that the tension in the wires is zero? (Take g=10 m `s^(-2))`

A

0.05 T

B

0.1 T

C

0.2 T

D

0.5 T

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECTS OF CURRENT AND MAGNETISM

    MTG GUIDE|Exercise AIPMT/NEET (MCQs)|48 Videos
  • MAGNETIC EFFECTS OF CURRENT AND MAGNETISM

    MTG GUIDE|Exercise NEET CAFE (TOPICWISE PRACTICE QUESTIONS)(PERMANENT MAGNETS AND ELECTROMAGNETS)|2 Videos
  • ELECTROSTATICS

    MTG GUIDE|Exercise AIPMT/NEET (MCQ.s)|34 Videos
  • OPTICS

    MTG GUIDE|Exercise AIPMT/NEET|55 Videos

Similar Questions

Explore conceptually related problems

A straight horizontal conducting rod of length 0*45m and mass 60g is suspended by two vertical wires at its end. A current of 5*0A is set up in the rod through the wires. (a) What magnetic field should be set up normal to the conductor in order that the tension in the wires is zero? (b) What will be the total tension in the wires if the direction of current is reversed, keeping the magnetic field same as before. (Ignore the mass of the wire) g=9*8ms^-2 .

A straight horizontal conducting rod of length 0*60m and mass of 60g is suspended by two vertical wires at its ends. A current of 5*0A is set up in the rod through the wire. (a) What magnetic field should be set up normal to the conductor in order that the tension in the wire is zero? (b) What will be total tension in the wires if the direction of current is reversed, keeping the magnetic field same as before (Ignore mass of the wire), g=10ms^-2 .

A straight horizontal conducting rod of length l and mass m is suspended by two vertical wires at its ends. A current I is set up in the rod through the wires. (i) What magnetic field should be set up normal to the conductor in order that the tension in the wires is zero. (ii) What will be the total tension in the wires if the direction of current is reversed, keeping the magnetic field same as before?

A conducting rod of 1 m length and 1 kg mass is suspended by two verticle wires through its ends. An external magnetic field of 2T is applied normal to the rod. Now the current to be passed through the rod so as to make the tension in the wire zero is [Take g = 10 ms^(-2)]

An iron rod of mass 50 g and length 50 cm is suspended by master wires as shown in the figure. Calculate the magnitude and direction of magnetic field to be set in the region such that the tension is the wires is zero. The current in the rod is 4 A.

A current of 50 A is placed through a straight wire of length 6 cm then the magnetic induction at a point 5cm from the either end of the wire is ( 1gauss=10^-4T )

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))

MTG GUIDE-MAGNETIC EFFECTS OF CURRENT AND MAGNETISM-CHECK YOUR NEET VITALS
  1. A charged particle of mass 10^(-3) kg and charge 10^(-5)C enters a mag...

    Text Solution

    |

  2. Mark out the correct options.

    Text Solution

    |

  3. A particle is moving with velocity vec v = hat i + 3 hat j and it pro...

    Text Solution

    |

  4. A point charge is moving in clockwise direction in a circle with const...

    Text Solution

    |

  5. A dip circle is so that its needle moves freely in the magnetic meridi...

    Text Solution

    |

  6. What should be the current in a circular coil of radius 5 cm to annul ...

    Text Solution

    |

  7. A particle of mass 2 xx 10^(-5) kg moves horizontally between two hori...

    Text Solution

    |

  8. If a velocity has both perpendicular and parallel components while mov...

    Text Solution

    |

  9. A proton is moving with a uniform velocity of 10^6 m s^(-1) along the ...

    Text Solution

    |

  10. chi(1) and chi(2) are susceptibility of a paramagnetic material at tem...

    Text Solution

    |

  11. A straight horizontal conducting rod of length 50 cm and mass 50 g is ...

    Text Solution

    |

  12. The coercivity of a small magnet where the ferromagnet gets demagnetiz...

    Text Solution

    |

  13. A bar magnet of magnetic moment 1.5 JT^(-1) lies aligned with the dire...

    Text Solution

    |

  14. A vibration magnetometer placed in magnetic meridian has a small bar m...

    Text Solution

    |

  15. Hysteresis loops for two magnetic materials A and B are given in figur...

    Text Solution

    |

  16. A galvanometer having a coil resistance of 100 Omega gives a full scal...

    Text Solution

    |

  17. A proton and an alpha-particle enter in a uniform magnetic field perpe...

    Text Solution

    |

  18. A conductor of length 2 m carrying current 2 A is held parallel to an ...

    Text Solution

    |

  19. A short bar magnet has a magnetic moment of 0.65 J T^(-1), then the ma...

    Text Solution

    |

  20. Sensitivity of moving coil galvanometer is s. If a shunt of ((1)/(8))^...

    Text Solution

    |