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 ENGLISH|Exercise Exercises Multiple Correct|23 Videos

  • ELECTROMAGNETIC INDUCTION

    CENGAGE PHYSICS ENGLISH|Exercise Exercises Asserton - Reasoning|8 Videos

  • ELECTROMAGNETIC INDUCTION

    CENGAGE PHYSICS ENGLISH|Exercise Exercises Subjective|13 Videos

  • ELECTRICAL MEASURING INSTRUMENTS

    CENGAGE PHYSICS ENGLISH|Exercise M.C.Q|2 Videos

  • ELECTRON,PHONTS,PHOTOELECTRIC EFFECT & X-RAYS

    CENGAGE PHYSICS ENGLISH|Exercise dpp 3.3|15 Videos

Similar Questions

Explore conceptually related problems

Show a conduction loop placed near a long, straight wire carrying current i as shown. If the current increases continuously, find the direction of the induced current in the loop.

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 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:

A rectangular loop is placed adjacent toa current carrying straight wire as shown in Figure. If the loop is rotated about an axis passing through one of its sides find the direction of induced current in the loop.

In the circuit shown if a conducting wire is connected between points A and B, the current in this wire will :-

In the circuit shown if a conducting wire is connected between points A and B, the current in this wire will :-

Near a circular loop of conducing wires as shown, an electron moves along a straight line. The direction of induced current if any, in the loop is

A rectangular loop is placed near a current carrying straight wire as shown in the figure. If the loop is rotated about an axis passing throught one of its sides find the direction of induced current in the loop.

CENGAGE PHYSICS ENGLISH-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 X10^(-3) m^2 and...

    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 cylindriacal ...

    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 plaed 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 existing in a region is given by vecB =B0(1+(x)/(l)...

    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

    |