Home
Class 12
PHYSICS
A loop ABCD is moving with velocity v to...

A loop ABCD is moving with velocity v towards the right . The magnetic field is 2 T . Loop is connected to a resistance of `9Omega` If the steady current of 2 A flows in the loop, then the value of v , if loop has resistance of `4Omega` is ( Given AD = 30 cm)

A

`86.7 ms^(-1)`

B

`30 ms ^(-1)`

C

`33.33 ms^(-1)`

D

`20 ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 89

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 91

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

The loop ABCD is moving with velocity 'v' towards right. The magnetic field is 4T . The loop is connected to a resistance of 8 Omega . If steady current of 2A flows in the loop then value of 'v' if loop has a resistance of 4 Omega , is : (Given AB = 30 cm, AD = 30 cm )

Magnetic field at the centre of a circular loop with n turns is 0.50 mt. Calculate the value of n if current of 5.3 A flows in the loop and radius of loop is 2 cm.

A conducting loop is pulled with a constant velocity towards a region of uniform magnetic field as shown in the figure then the current involved in the loop is ( d gt r ) -

A conducting loop is being pulled with speed v from region I of magnetic field to region II. If resistance of the loop is R, current induced in the loop at the instant shown is

A semicircle loop PQ of radius 'R' is moved with velocity 'v' in transverse magnetic field as shown in figure . The value of induced emf . Between the ends of loop is :-

The magnetic flux across a loop of resistance 10Omega is given by phi=5t^(2)-4t^(2)+1Wb . How much current is induced in the loop after 0.2 s?

A loop of area 1m^2 is placed in a magnetic field B=2T , such that plane of the loop is parallel to the magnetic field. If the loop is rotated by 180^@ , the amount of net charge passing through any point of loop, it its resistance is 10Omega is

A square metal wire loop of side 20 cm and resistance 2Omega is moved with a constant velcoity v_(0) in a uniform magnetic field of induction B = 1 Wb//m^(2) as shown in the figure. The magnetic field lines are perpendicular to the plane of the loop. The loop is connected to a network of resistance each of value 5Omega . The resistances of the lead wires BF and AE are negligible. What should be the speed of the loop, so as to have a steady current of 2 mA in the loop? Give the direction of current in the loop.

NTA MOCK TESTS-NTA NEET SET 90-PHYSICS
  1. Two identical parallel plate capacitors are placed in series and conne...

    Text Solution

    |

  2. What is the value of inductance L for which the current is a maximum i...

    Text Solution

    |

  3. A loop ABCD is moving with velocity v towards the right . The magnetic...

    Text Solution

    |

  4. Suppose the gravitational force varies inversely as the n^(th) power o...

    Text Solution

    |

  5. The ratio of binding energy of a satellite at rest on earth's surfa...

    Text Solution

    |

  6. Two plates identical in size, one of black and rough surface (B1) and ...

    Text Solution

    |

  7. A Carnot engine, having an efficiency of eta=1//10 as heat engine, is ...

    Text Solution

    |

  8. Two containers of equal volume contain the same gas at pressure P(1) a...

    Text Solution

    |

  9. A long rigid wire liens along the X - axis and carries a current of 10...

    Text Solution

    |

  10. Magnetic induction at the center of a circular loop carrying a current...

    Text Solution

    |

  11. A bullet loses 1//20th of its velocity is passing through a plank. Wh...

    Text Solution

    |

  12. A chain of length L and mass m is placed upon a smooth surface. The le...

    Text Solution

    |

  13. Two weights w(1) and w(2) are suspended from the ends of a light strin...

    Text Solution

    |

  14. An object is kept on a smooth inclined plane of height 1 unit and len...

    Text Solution

    |

  15. There are two radioactive substance A and B. Decay consant of B is two...

    Text Solution

    |

  16. If .92 U^238 undergoes successively 8 alpha-decays and 6 beta-decays, ...

    Text Solution

    |

  17. If A is amplitude of a particle in SHM, its displacement from the mean...

    Text Solution

    |

  18. A pendulum consisting of a small sphere of mass m, suspended by a ine...

    Text Solution

    |

  19. The number of photons falling per second on a completely darkened plat...

    Text Solution

    |

  20. The energy flux of the sunlight reaching the surface of the earth is 1...

    Text Solution

    |