Home
Class 12
PHYSICS
Assertion: Only a charge in magnetic flu...

Assertion: Only a charge in magnetic flux will maintain an induced current in the coil.
Reason: The presence of large magnetic flux through a coil maintains a current in the coil if the circuit is continuous.

A

If both asseration and reason are true and reason is the correct explanation of assertion.

B

If both asseration and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
C

Presence of magnetic flux cannot produce current.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    A2Z|Exercise AIPMTNEET Questions|27 Videos
  • ELECTROMAGNETIC INDUCTION

    A2Z|Exercise AIIMS Questions|27 Videos
  • ELECTROMAGNETIC INDUCTION

    A2Z|Exercise Problems On Mixed Concepts|37 Videos
  • ELECTRIC POTENTIAL & CAPACITANCE

    A2Z|Exercise Section D - Chapter End Test|29 Videos
  • ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

Magnetic flux through a coil depends upon

Assertion : The presence of large magnetic flux through a coil maintains a current in the coil if the circuit is continuous. Reason : Magnetic flux is essential to maintain an induced current in the coil.

Find the induced current through a coil at t = 2 s if the magnetic flux through a coil is phi= 6t^(3) + 12t^(2) + 5 and the resistance of the coil is 5 Omega .

Assertion: Magnetic field B (shown inwards) varies with time t as shown. At time to induced current in the loop is clockwise Reason : If rate of change of magnetic flux from a coil is constant, charge should flow in the coil at a constant rate.

Whenever the magnet flux linked with a coil changes, then is an induced emf in the circuit. This emf lasts

How magnetic flux generated in a coil depends on the current flowing through it?

The formula for induced e.m.f. in a coil due to change in magnetic flux through the coil is (here A = area of the coil, B = magnetic field)

The magnetic flux linked with a coil is phi and the emf induced in it is e .

A2Z-ELECTROMAGNETIC INDUCTION-Section B - Assertion Reasoning
  1. Assertion: Only a charge in magnetic flux will maintain an induced cur...

    Text Solution

    |

  2. Asseration:Magnetic flux can produce induce e.m.f. Reason:Faraday es...

    Text Solution

    |

  3. Asseration:The induced e.m.f. and curent will be same in two identical...

    Text Solution

    |

  4. Asseration:Induced coil are made of copper. Reason:Induced current i...

    Text Solution

    |

  5. Asseration:Self-inductance is called the inertia of electricity. Rea...

    Text Solution

    |

  6. Asseration: When two coils are wound on each other, the mutual inducti...

    Text Solution

    |

  7. Assertion: An aircraft files along the meridian, the potential at the ...

    Text Solution

    |

  8. Assertion: A spark occur between the poles of a switch when the switch...

    Text Solution

    |

  9. Asseration:In the phenomenon of mutual induction, self-induction of ea...

    Text Solution

    |

  10. Lenz's law violates the principle of conservation of energy. Reason:...

    Text Solution

    |

  11. Asseration: The induced emf in a conducting loop of wire will be non z...

    Text Solution

    |

  12. Asseration: An artificial satellite with a metal surface is moving abo...

    Text Solution

    |

  13. Asseration A bar magnetic is dropped into a long vertical copper tube....

    Text Solution

    |

  14. Asseration: A metal piece and a non-metal (stone) piece are dropped fr...

    Text Solution

    |

  15. Asseration: A transformer cannot work on dc supply. Reason: there is...

    Text Solution

    |

  16. Assertion: Soft iron is used as transformer core. Reason: Soft iron ...

    Text Solution

    |

  17. Asseration: The magnetic flux through a loop of conducting wire of a f...

    Text Solution

    |

  18. Asseration: An emf is induced in a along solenoid by a bar magnet that...

    Text Solution

    |

  19. Asseration:Lenz's law violates the principle of conservation of energy...

    Text Solution

    |

  20. Assertion: Only a charge in magnetic flux will maintain an induced cur...

    Text Solution

    |