Home
Class 12
PHYSICS
A rectangular, a square, a circular and ...

A rectangular, a square, a circular and an elliptical loop, all in the XY-plane, are moving out of a uniform magnetic field with a constant velocity `v=uhat"I"`. The magnetic field is directed along the negative Z-axis direction. The induced emf during the passage of these loops, out of the field region, will not remain constant for

A

Any of the four loops

B

The rectangular, circular and elliptical loops

C

The circular and the elliptical loops

D

Only the elliptical loop

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION -D) Assertion-Reason type Question)|15 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION - B) (OBJECTIVE TYPE QUESTIONS)|25 Videos

  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE ENGLISH|Exercise comprehension|3 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

Similar Questions

Explore conceptually related problems

A rectangular, a square , a circular and an elliptical loop, all in the (x-y) plane, are moving out of a uniform magnetic field with a constant velocity vec(v)=vhati . The magnetic field is directed along the negative z -axis direction. The induced emf, during the passage of these loops , out of the field region, will not remain constant for :

A rectangular loop and a circular loop are moving out of a uniform magnetic field to a field-free region with a constant velocity 'v' as shown in the figure . Explain the which loop do you expect the induced emf to the constant during the passage out of the field region . The magnetic field is normal to the loops .

A semi-circular loop of radius R is placed in a uniform magnetic field as shown. It is pulled with a constant velocity. The induced emf in the loop is

(a) A closed loop is held stationary in the magnetic field between the north and south poles of two permanent magnets held fixed. Can we hope to generate current in the loop by using very strong magnets? (b) A closed loop moves normal to the constant electric field between the plates of a large capacitor. Is a current induced in the loop (i) when it is wholly inside the region between the capacitor plates (ii) when it is partially outside the plates of the capacitor? The electric field is normal to the plane of the loop. (c) A rectangular loop and a circular loop are moving out of a uniform magnetic field region (Fig. 6.8) to a field-free region with a constant velocity v. In which loop do you expect the induced emf to be constant during the passage out of the field region? The field is normal to the loops. (d) Predict the polarity of the capacitor in the situation described by Fig. 6.9.

A closed loop with the geometry shown in Fig. 3.9 is placed in a uniform magnetic field direction into the plane of the paper. If the magnetic field decreases with time, determine the direction of the induced emf in this loop.

A triangular loop as shown in the figure is started to being pulled out at t=0 form a uniform magnetic field with a constant velocity v. Total resistancee of the loop is constant and equal to R. Then the variation of power produced in the loop with time will be :

A proton is moving along the negative direction of X-axis in a magnetic field directed along the positive direction of Y-axis. The proton will be deflected along the negative direction of

A neutral metal bare moves at a constant velocity v to the right through a region of uniform magnetic field directed out the page, as shown. Therefore,

A metallic loop is placed in a non-uniform steady magnetic field. Will an emf be induced in the loop?

In non-uniform magnetic field in certain direction, current loop is placed

AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-ASSIGNMENT(SECTION -C) Previous Years Questions
  1. A circular disc of radius 0.2 m is placed in a uniform magnetic fied...

    Text Solution

    |

  2. A long solenoid has 500 turns, When a current of 2 A is passed through...

    Text Solution

    |

  3. What is the value of inductance L for which the current is maximum in ...

    Text Solution

    |

  4. Two coils of self-inductance 2 mH and 8 mH are placed, so close togeth...

    Text Solution

    |

  5. A closed iron ring is held horizontally and a bar magnet is dropped th...

    Text Solution

    |

  6. The magnetic flux through Circuit of resistance R chages by an a...

    Text Solution

    |

  7. As a result of change in the magnetic flux linked to the closed loop s...

    Text Solution

    |

  8. A rectangular, a square, a circular and an elliptical loop, all in the...

    Text Solution

    |

  9. A conductor of 3 m in length is moving perpendicularly to magnetic fie...

    Text Solution

    |

  10. In a circular conducting coil, when current increases from 2A to 18A i...

    Text Solution

    |

  11. In the circuit given in tigure, 1 and 2 are ammeters. Just after key K...

    Text Solution

    |

  12. Self-inductance of a coil is 2mH, current through this coil is, I=t^(2...

    Text Solution

    |

  13. When the number of turns and the length of the solenoid are doubled ke...

    Text Solution

    |

  14. The time constant of L-R circuit is doubled if

    Text Solution

    |

  15. Two neighbouring coils A and B have a mutual inductance of 20 mH. The ...

    Text Solution

    |

  16. The self inductance L of a solenoid depends on the number of turns per...

    Text Solution

    |

  17. Two coils have a mutual inductance 0.005 H. The current changes in the...

    Text Solution

    |

  18. A transfomer has 500 primary tunrs and 10 secondary turns. If the seco...

    Text Solution

    |

  19. A magnet is made to oscillate with a particular frequency, passimg thr...

    Text Solution

    |

  20. Two coils have self-inductance L(1)=4mHandL(2)=1mH respectively. The c...

    Text Solution

    |