Home
Class 12
PHYSICS
Eddy currents are produced, when...

Eddy currents are produced, when____

A

by heating the metal

B

a metal is kept in varying magnetic field.

C

a metal kept in electric field.

D

a metal kept in steady magnetic field.

Text Solution

Verified by Experts

The correct Answer is:
C
For generation of eddy current a metal plate should be freely falling in uniform magnetic field.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    KUMAR PRAKASHAN|Exercise Section D MCQs (MCQs asked in Competitive Exams )|38 Videos

  • ELECTROMAGNETIC INDUCTION

    KUMAR PRAKASHAN|Exercise Section C Ncert Exemplar Solution (Long Answer )|11 Videos

  • ELECTRIC CHARGES AND FIELDS

    KUMAR PRAKASHAN|Exercise SECTION D MCQS ASKED IN COMPETITIVE EXAMES (MCQS AKSED IN BOARD EXAM AND GUJCET)|14 Videos

  • ELECTROMAGNETIC WAVES

    KUMAR PRAKASHAN|Exercise BOARD.S QUESTION PAPER MARCH - 2020 (PART - B) SECTION - C|5 Videos

Similar Questions

Explore conceptually related problems

When eddy currents are produced in the conductor, electrons in that conductor _____

When current is produced?

In given magnetic field , what should the direction of motion of the conductor so that the maximum induced current can be produced ?

A conducting rod of length I and velocity v moves in a magnetic field B. If rho is the resistivity of the material of rod, then the induced current produced in the rod is _____

Consider an infinitely long wire carrying a current I(t), with (dI)/(dt)=lambda = constant. Find the dt current produced in the rectangular loop of wire ABCD if its resistance is R as in figure.

Eddy current do not cause……..

Eddy currents were invented by ...... scientist.

What is eddy current ?

Explain eddy current with suitable example, What should be done to decrease the effects of eddy currents ?

In which of the following devices, the eddy current effect is not used ?

KUMAR PRAKASHAN-ELECTROMAGNETIC INDUCTION-Section D MCQs (From DARPAN Based on Textbook )
  1. Lenz force acting on a conducting rod moving in a magnetic field is

    Text Solution

    |

  2. One metallic plate, oscillates perpendicular to magnetic field between...

    Text Solution

    |

  3. Eddy currents are produced, when

    Text Solution

    |

  4. Eddy currents are produced

    Text Solution

    |

  5. Eddy current do not cause……..

    Text Solution

    |

  6. Induction furnace is based on the heating effect of .....

    Text Solution

    |

  7. A square conducting coil of area 100 "cm"^2 is placed normally inside ...

    Text Solution

    |

  8. Self inductance of a solenoid is directly proportional to

    Text Solution

    |

  9. Dimensional formula of self inductance is ......

    Text Solution

    |

  10. When current passing through a coil is made doubled, its self inductan...

    Text Solution

    |

  11. Two identical coils, each with self inductance L, are connected in ser...

    Text Solution

    |

  12. Equivalent self inductance of above arrangement is

    Text Solution

    |

  13. Series combination of 10Omega resistance and 5 cm long solenoid havin...

    Text Solution

    |

  14. Two coils have a mutual inductance of 0.005H. The current changes in t...

    Text Solution

    |

  15. For an inductor having self inductance 4.6 H, emf induced in it for ti...

    Text Solution

    |

  16. Find mutual inductance of two coaxial solenoids of equal length 30 cm ...

    Text Solution

    |

  17. A coil of resistance 20Omega and self-inductance 5 H connected with b...

    Text Solution

    |

  18. The unit of inductance is equivalent to …..

    Text Solution

    |

  19. A solenoid has radius r and length l carries a current I. If the numbe...

    Text Solution

    |

  20. Current I is following through a toroidal solenoid of radius r, length...

    Text Solution

    |