Home
Class 12
PHYSICS
An aluminium ring B faces an electromagn...

An aluminium ring B faces an electromagnet A. The current I through A can be altered. Then which of the following statement is correct?

A

If I decreases. A will repel B

B

Whether / increases or decreases, B will not experience any force

C

If I increases, A will repel B

D

If I increases, A will attract B

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION - A) (OBJECTIVE TYPE QUESTIONS)|35 Videos
  • ELECTROMAGNETIC INDUCTION

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

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - J)|5 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

Which of the following statement is/are correct?

In propagation of electromagnetic wave which of the following statement is correct?

Which of the following statements are correct statements ?

Given a+b+c+d=0 . Which of the following statements(s) is (are) correct?

If the matrix A and B are of 3xx3 and (I-AB) is invertible, then which of the following statement is/are correct ?

Which of the following statement is correct about electromagnetic waves?

Regarding brown ring complex formation, Which of the following statement is wrong ?

Let A,B and C be nxxn matrices. Which one of the following is a correct statement?

A vertical conducting ring of radius R falls vertically with a speed V in a horizontal uniform magnetic field B which is perpendicular to the plane of the ring. Which of the following statements is correct?

Two circular coils A and B are facing each other in shown figure. The current I through A can be alterned

AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-EXERCISE
  1. Two different loops are concentric and lie in the same plane. The curr...

    Text Solution

    |

  2. The direction of induced currnet in the right loop in the situation sh...

    Text Solution

    |

  3. An aluminium ring B faces an electromagnet A. The current I through A ...

    Text Solution

    |

  4. A conducting wire frame is placed is placed in a magnetic field which ...

    Text Solution

    |

  5. A vertical rod of length l is moved with constant velocity v towards e...

    Text Solution

    |

  6. The current carrying wire and the rod AB are in the same plane. The ro...

    Text Solution

    |

  7. A helicopter rises vertically upwards with a speed of 100 m//s. If the...

    Text Solution

    |

  8. A rod AB slides on a V shaped wire with speed v as shown, such that at...

    Text Solution

    |

  9. if given arrangement is moving towards left with speed v, then potenti...

    Text Solution

    |

  10. A conducting rod is rotated about one end in a plane perpendicular to ...

    Text Solution

    |

  11. A semicircular loop of radius R is rotated with an angular velocity om...

    Text Solution

    |

  12. A force of 10N is required to move a conducting loop through a non-uni...

    Text Solution

    |

  13. A flexible wire bent in the form of a circle is placed in a uniform ma...

    Text Solution

    |

  14. Radius ol a circular luop placed in a perpendicular uniform magnetic f...

    Text Solution

    |

  15. A wire of fixed length is wound on a solenoid of length 'l' and radius...

    Text Solution

    |

  16. The length of thin wire required to manufacture a solenoid of inductan...

    Text Solution

    |

  17. A conducting ring of radius b is placed coaxially in a long solenoid o...

    Text Solution

    |

  18. In what form is the energy stored in an inductor or A coil of inducta...

    Text Solution

    |

  19. Which of the following pairs of coils has zero coupling constant?

    Text Solution

    |

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

    Text Solution

    |