Home
Class 12
PHYSICS
A bar magnet moving with velocity v towa...

A bar magnet moving with velocity v towards a fixed conducting circular loop find the graph of emf v/s. t. Consider anticlockwise emf as positive emf where observer is right of south pole of magnet .

A

B

C

D

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise SECTION-A|80 Videos
  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise SECTION-B|40 Videos
  • JEE MAIN

    JEE MAINS PREVIOUS YEAR|Exercise All Questions|473 Videos
  • JEE MAIN 2022

    JEE MAINS PREVIOUS YEAR|Exercise Question|492 Videos

Similar Questions

Explore conceptually related problems

A bar magnet is moved towards a wire loop suspended as shown in fig .What is the direction of emf. Induced ?

Wherever a magnet is moved either towards or away from a conducting coil, an emf is induced, the magnitude of which is independent of

A bar magnet is moved between two parallel circular loops A and B with a constant velocity v as shown in Fig. 3.180.

Shows an irregular shaped wire AB moving with velocity v . Find the emf induced in the wire.

The figure shows a uniform, 3.0 T magnetic field that is normal to the plane of a conducting, circular loop with a resistance of 1.5 Omega and a radius of 0.024 m. The magnetic field is directed out of the paper as shown . Note: The area of the non-circular portion of the wire is considered negligible compared to that of the circular loop. If the magnetic field is held constant at 3.0 T and the loop is pulled out of the region that contains the field in 0.2 s, what is the magnitude of the average induced emf in the loop?

The figure shows a uniform, 3.0 T magnetic field that is normal to the plane of a conducting, circular loop with a resistance of 1.5 Omega and a radius of 0.024 m. The magnetic field is directed out of the paper as shown . Note: The area of the non-circular portion of the wire is considered negligible compared to that of the circular loop. What is the magnitude of the average induced emf in the loop if the magnitude of the magnetic field is doubled in 0.4 s?

The graph gives the magnitude B(t) of a uniform magnetic field that exists throughout a conducting loop, with the direction of the field perpendicular to the plane of the loop. Rank the five regions of the graph according to the magnitude of the emf induced in the loop, greatest first.

An electron moving with a velocity v along the positive x -axis approaches a circular current carrying loop as shown in the fig. the magnitude of magnetic force on electron at this instant is

A rod of length l is moving velocity v "in magnetic field" b as seen in . Find the emf induced in all three cases. (a)

JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B
  1. A bar magnet moving with velocity v towards a fixed conducting circula...

    Text Solution

    |

  2. A ball of mass 10 kg moving with a velocity 10sqrt3 m//s along the x-...

    Text Solution

    |

  3. As shown in the figure, a particle of mass 10 kg is placed at a point ...

    Text Solution

    |

  4. A particle performs simple harmonic motion with a period of 2 second. ...

    Text Solution

    |

  5. The voltage across the 10 resistor in the given circuit is x volt. ...

    Text Solution

    |

  6. A bullet of mass 0.1 kg is fired on a wooden block to pierce through i...

    Text Solution

    |

  7. Two separate wires A and B are stretched by 2 mm and 4 mm respectively...

    Text Solution

    |

  8. A parallel plate capacitor has plate area 100 m^2 and plate separation...

    Text Solution

    |

  9. The circuit shown in the figure consists of a charged capacitor of cap...

    Text Solution

    |

  10. An npn transistor operates as a common emitter amplifier with a power ...

    Text Solution

    |

  11. A person is swimming with a speed of 10 m/s at an angle of 120° with t...

    Text Solution

    |

  12. A body of mass 2 kg moves under a force of (2hati +3hatj +5hatk) N. It...

    Text Solution

    |

  13. A solid disc of radius 'a' and mass 'm' rolls down without slipping on...

    Text Solution

    |

  14. The energy dissipated by a resistor is 10 mj in 1 s when an electric c...

    Text Solution

    |

  15. For an ideal heat engine, the temperature of the source is 127^(@)C. I...

    Text Solution

    |

  16. In a parallel plate capacitor set up, the plate area of capacitor is 2...

    Text Solution

    |

  17. A deviation of 2^(@) is produced in the yellow ray when prism of crown...

    Text Solution

    |

  18. If one wants to remove all the mass of the earth to infinity in order ...

    Text Solution

    |

  19. A force vecF=4hati+3hatj+4hatk is applied on an intersection point of ...

    Text Solution

    |

  20. A closed organ pipe of length L and an open organ pipe contain gases o...

    Text Solution

    |

  21. A swimmer can swim with velocity of 12 km/h in still water. Water flow...

    Text Solution

    |