Home
Class 12
PHYSICS
A : Total induced emf in a loop is not c...

A : Total induced emf in a loop is not confined to any particular point but it is distributed around the loop in direct proportion to the resistances of its parts.
R: In general when there is no change in magnetic flux, no induced emf is produced.

A

Both A and R are true and R is the correct explanation

B

Both A and R are true but R is not the correct explanation of A

C

A is true but R is false

D

Both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-II|32 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-III|29 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-IA|58 Videos

  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|22 Videos

Similar Questions

Explore conceptually related problems

(A): An aircraft flies along the meridian, the potential at the ends of its wings will be the same. (R) : Whenever there is change in the magnetic flux e.m.f. induces.

Asseration:Lenz's law violates the principle of conservation of energy. Reason: Induced e.m.f. opposes always the change in magnetic flux responsible for its production.

Asseration:Lenz's law violates the principle of conservation of energy. Reason: Induced e.m.f. opposes always the change in magnetic flux responsible for its production.

A: There may be an induced emf in a loop without induced current. R: Induced current depends on the resistance of the loop as well.

The total charge induced in a conducting loop when it is moved in magnetic field depends on

A loop shown in the figure is immersed in the varying magnetic field B=B_0t , directed into the page. If the total resistance of the loop is R , then the direction and magnitude of induced current in the inner circle is

A metallic loop is placed in a nonuniform magnetic field. Will an emf be induced in the loop?

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.

Assertion If a loop is placed in a non-uniform (with respect to position) magnetic field, then induced emf is produced in the loop. Reason In a non-uniform magnetic field, magnetic flux passing through the loop will change. Therefore, induced emf is produced.

Statement-1 : The induced e.m.f. and current will be same in two identical loops of copper and aluminium, when rotated with same speed in the same magnetic field. Statement-2 : Induced e.m.f. is proportional to rate of change of magnetic field while induced current depends on resistance of wire.

AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-IB
  1. A : Total induced emf in a loop is not confined to any particular poin...

    Text Solution

    |

  2. (A): Unlike electrostatic field the lines of induced field from closed...

    Text Solution

    |

  3. A: The mutual Induction between the two coils infinitely apart is zero...

    Text Solution

    |

  4. A: An inductor is called the inertia of an electric circuit. R: An ...

    Text Solution

    |

  5. A: At any instant, if the current through an inductor is zero, then th...

    Text Solution

    |

  6. A: There may be an induced emf in a loop without induced current. R:...

    Text Solution

    |

  7. A: When the magnetic flux through a loop is maximum, induced emf is ma...

    Text Solution

    |

  8. A: When a conducting loop is kept stationary in a non-uniform magnetic...

    Text Solution

    |

  9. A: When an electric motor is started, a variable resistance (that decr...

    Text Solution

    |

  10. A current I is flowing in a straight conductor of length L. The magnet...

    Text Solution

    |

  11. A: Electrical power through transmission lines is transmitted at high ...

    Text Solution

    |

  12. (A): The electric field induced due to changing magnetic field is non-...

    Text Solution

    |

  13. (A): In equation F=q(E+v xx B) when v = 0, any force on the charge mus...

    Text Solution

    |

  14. A: The induced current flows so as to oppose the cause producing it. ...

    Text Solution

    |

  15. (A): Only a change in magnetic flux will maintain an induced current i...

    Text Solution

    |

  16. (A): If changing current is flowing through a machine of iron eddy cur...

    Text Solution

    |

  17. Assertion : The possibility of an electric bulb fusing is higher at t...

    Text Solution

    |

  18. Assertion : An emf vec(E) is induced in a closed loop where magnetic f...

    Text Solution

    |