Home
Class 12
PHYSICS
In figure, the arm PQ is moved from x = ...

In figure, the arm PQ is moved from `x = 0 "to" x = 2b` with constant speed V. Consider the magnet field as shown in figure. Write
(i) direction of induced current in rod
(ii) polarity induced across rod.

Promotional Banner

Topper's Solved these Questions

  • UNIT–III & UNIT–IV MAGNETIC EFFECTS OF CURRENT AND MAGNETISM & E.M.I. AND ALTERNATING CURRENT

    CBSE COMPLEMENTARY MATERIAL|Exercise SHORT ANSWER QUESTIONS (2 Marks)|41 Videos

  • UNIT–III & UNIT–IV MAGNETIC EFFECTS OF CURRENT AND MAGNETISM & E.M.I. AND ALTERNATING CURRENT

    CBSE COMPLEMENTARY MATERIAL|Exercise SHORT ANSWERS QUESTIONS (3 Marks)|27 Videos

  • SAMPLE QUESTION PAPER 2019

    CBSE COMPLEMENTARY MATERIAL|Exercise Section C|19 Videos

Similar Questions

Explore conceptually related problems

The current flows from A to B as shown in the figure The direction of the induced current in the loop is :

A triangular loop is placed in a dot o. magnetic field as shown in figure. Find the direction of induced current in the loop if magnetic field is increasing.

As shown in the figure, the key K is closed, the direction of the induced current in the coil B will be -

A rod AB moves with a uniform velocity v in a uniform magnetic field as shown in figure.

The North pole of a magnet is falling on a metallic ring as shown in the figure. The direction of induced current, if looked from upside in the ring will be

A conducting ring is moving from left to right through a uniform magnetic field, as shown in the figure. In which regions is there an induced current in the ring?

CBSE COMPLEMENTARY MATERIAL-UNIT–III & UNIT–IV MAGNETIC EFFECTS OF CURRENT AND MAGNETISM & E.M.I. AND ALTERNATING CURRENT-(NUMERICALS)
  1. In figure, the arm PQ is moved from x = 0 "to" x = 2b with constant sp...

    Text Solution

    |

  2. An electron travels on a circular path of radius 10 m in a magnetic fi...

    Text Solution

    |

  3. A charge particle of mass m and charge q entered into magnetic field B...

    Text Solution

    |

  4. Calculate the magnetic field due to a circular coil of 500 turns and o...

    Text Solution

    |

  5. An electron of kinetic energy 10 keV moves perpendicular to the direct...

    Text Solution

    |

  6. If the current sensitivity of a moving coil galvanometer is increased ...

    Text Solution

    |

  7. A uniform wire is bent into one turn circular loop and same wire is ag...

    Text Solution

    |

  8. A horizontal electrical power line carries a current of 90A from east ...

    Text Solution

    |

  9. A galvanometer with a coil of resistance 90Omega shows full scale defl...

    Text Solution

    |

  10. Two identical circular loops P and Q carrying equal currents are place...

    Text Solution

    |

  11. A cyclotron’s oscillator frequency is 10 MHz. What should be the opera...

    Text Solution

    |

  12. The coil of a galvanometer is 0.02 × 0.08 m2. It consists of 200 turns...

    Text Solution

    |

  13. A voltmeter reads 5V at full scale deflection and is graded according ...

    Text Solution

    |

  14. A short bar magnet placed with its axis at 30° with an external field ...

    Text Solution

    |

  15. What is the magnitude of the equatorial and axial fields due to a bar ...

    Text Solution

    |

  16. What is the magnitude of magnetic force per unit length on a wire carr...

    Text Solution

    |

  17. Two moving coil metres M(1) and M(2) have the following particular R(1...

    Text Solution

    |

  18. Figure shows a small magnetised needle P placed at a point O. The arro...

    Text Solution

    |

  19. Figure shows a small magnetised needle P placed at a point O. The arro...

    Text Solution

    |

  20. Figure shows a small magnetised needle P placed at a point O. The arro...

    Text Solution

    |

  21. In the circuit, the current is to be measured. What is the value of th...

    Text Solution

    |