Home
Class 12
PHYSICS
A and B two metallic rings pplaced at op...

`A and B` two metallic rings pplaced at opposite sides of an infinitely long straight conducting wire as shown in Fig. 3.157. If current in the wire is slowly decreased, the direction of the induced current will be

A

(a) clockwise in `A` and anticlockwise in `B`

B

(b) anticlockwise in `A` and clockwise in `B`

C

( c) clockwise in both `A and B`

D

(d) anticlockwise in both `A and B`

Text Solution

Verified by Experts

The correct Answer is:
B

(b) Apply Lenz's law.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    CENGAGE PHYSICS|Exercise Exercises Multiple Correct|23 Videos
  • ELECTROMAGNETIC INDUCTION

    CENGAGE PHYSICS|Exercise Exercises Asserton - Reasoning|8 Videos
  • ELECTROMAGNETIC INDUCTION

    CENGAGE PHYSICS|Exercise Exercises Subjective|13 Videos
  • ELECTROMAGENTIC INDUCTION

    CENGAGE PHYSICS|Exercise QUESTION BANK|40 Videos
  • ELECTRON,PHONTS,PHOTOELECTRIC EFFECT & X-RAYS

    CENGAGE PHYSICS|Exercise dpp 3.3|15 Videos

Similar Questions

Explore conceptually related problems

Current in wire XY is decreasing steadily. Predict the direction of induced current in metal rings 1 and 2.

Current I in wire XY is increasing steadily. What will be the direction of induced currents in metal rings 1 and 2 ?

The direction of magnetic field at a point due to an infinitely long wire carrying current is

Figure shows a conducting loop placed near a long straight wire carrying a current i as shown, if the current increases continuously, find the direction of the induced current in the loop.

A current carrying straight wire passes inside a triangular coil as shown in figure. The current in the wire is perpendicular to paper inwards. Find the direction of the induced current in the loop, if current in the wire is increased.

A current carrying straight wire passing inside a triangular loop as shown in Figure. The current in the wire is perpendicular to paper inwards. Find the direction of the induced current in the loop if current in the wire is increased.

Consider the situation shown in figure. If the current I in the long straight wire xy is increased at a steady rate the induced current in loop A and B will be

If current in two parallel wires flow in opposite directions, the force between the wires will:

CENGAGE PHYSICS-ELECTROMAGNETIC INDUCTION-Exercises Single Correct
  1. A uniform magnetic field existsin region given by vec(B) = 3 hat(i) + ...

    Text Solution

    |

  2. Shows a square loop having 100 turns, an area of 2.5 xx10^(-3) m^2 an...

    Text Solution

    |

  3. A and B two metallic rings pplaced at opposite sides of an infinitely ...

    Text Solution

    |

  4. A vertical conducting ring of radius R falls vertically with a speed V...

    Text Solution

    |

  5. Two identical conducting rings A and B of radius R are rolling over a ...

    Text Solution

    |

  6. An inducatane L and a resistance R are connected in series with a batt...

    Text Solution

    |

  7. A uniform magnetic field of induction B is confined to a cylindrical r...

    Text Solution

    |

  8. AB is a resistanceless conducting rod which forms a diameter of a cond...

    Text Solution

    |

  9. AB and CD are fixed conducting smooth rails placed in a vertical plane...

    Text Solution

    |

  10. A metallic ring of radius r with a uniform metallic spoke of negligibl...

    Text Solution

    |

  11. The current generator ig, shown in , sends a constant current I throu...

    Text Solution

    |

  12. A rod of length L rotates in the form of a conical pendulum with an An...

    Text Solution

    |

  13. A magnetic field induction is changing in magnitude in a region at a c...

    Text Solution

    |

  14. The magnetic field in a region is given by vec(B)=B(0)(1+(x)/(a))hat(k...

    Text Solution

    |

  15. A conductor AB of length l moves in x y plane with velocity vec(v) = v...

    Text Solution

    |

  16. A line charge lambda per unit length is pasted uniformly on to the wir...

    Text Solution

    |

  17. A flexible wire loop in the shape of a circle has a radius that grows ...

    Text Solution

    |

  18. A conducting wire of length l and mass m is placed on two inclined rai...

    Text Solution

    |

  19. Three identical coils A,B and C carrying currents are placed co-axiall...

    Text Solution

    |

  20. A conducting ring of radius r and resistance R rolls on a horizintal s...

    Text Solution

    |