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 produced current.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

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

  • ELECTROMAGNETIC INDUCTION

    A2Z|Exercise AIPMTNEET Questions|27 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-AIIMS Questions
  1. A metalic ring is dropped down, keeping its plane perpendicular to a c...

    Text Solution

    |

  2. Some magnetic flux is changed from a coil of resitance 10 Omega. As a ...

    Text Solution

    |

  3. The primary winding of a transformer has 100 turns and its secondary w...

    Text Solution

    |

  4. An electric potential difference will be induced between the ends of t...

    Text Solution

    |

  5. Two identical circular loops of metal wire are lying on a table withou...

    Text Solution

    |

  6. Two conducting circular loops of radii R1 and R2 are placed in the sa...

    Text Solution

    |

  7. The two rails of a railway track, insulated from each other and the gr...

    Text Solution

    |

  8. A conducting rod PQ of length l=1.0m is moving with a uniform speed v2...

    Text Solution

    |

  9. In the circuit shown, the cell is deal. The coil has an inductance of ...

    Text Solution

    |

  10. The potential energy of a partical veries with distance x as shown in ...

    Text Solution

    |

  11. Two vertical conducting rails separted by distance 1.0m are placed par...

    Text Solution

    |

  12. A patient is slowly pushed in a time of 10s within the coils of the ma...

    Text Solution

    |

  13. A circular coil of radius 10 cm, 500 turns and resistance 2 Omega is p...

    Text Solution

    |

  14. A wire of some length is bent in the form of a ring of diameter 2a hav...

    Text Solution

    |

  15. In a series LR circuit (L=3H,R=1.5Omega) and DC voltage =1V. Find curr...

    Text Solution

    |

  16. Assertion: The probability of an electric bulb fusing is higher at the...

    Text Solution

    |

  17. Assertion : An electric motor will have maximum efficiency when back e...

    Text Solution

    |

  18. Assertion: In electric circuits, wires carrying currents in opposite d...

    Text Solution

    |

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

    Text Solution

    |

  20. Assertion: In series LCR circuit resonance can take place. Reason: R...

    Text Solution

    |