Home
Class 12
PHYSICS
A conducting wire MN moves with velocity...

A conducting wire MN moves with velocity V_0 along +X-axis in a uniform magnetic field `(bar B= -B_0 hat k)`as shown in the diagram then

A

End N is positive and end M is negative

B

End M is positive and end N is negative

C

The emf induced along the rod does not depend on its shape, whether it is curved or straight

D

Both (1) & (3) are correct

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEST 1

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|21 Videos

  • TEST 3

    AAKASH INSTITUTE ENGLISH|Exercise EXAMPLE|74 Videos

Similar Questions

Explore conceptually related problems

A small conducting rod of length l, moves with a uniform velocity v in a uniform magnetic field B as shown in fig __

A ring of radius R moves with a velocity v in a uniform static magnetic field B as shown in diagram. The emf between P and Q is

A rod AB moves with a uniform velocity v in a uniform magnetic field as shown in figure

A semicircular conducting wire of radius a is moving perpendicular to a uniform magnetic field B with speed √2 v as shown in the figure.The emf induced across the wire Is

A uniform conducting rod of length I is moving with speed v_0 in a uniform transverse magnetic field B_0 as shown in figure. The emf developed across the two ends of the rod will be

A particle of specific charge alpha is projected from origin with velocity v=v_0hati-v_0hatk in a uniform magnetic field B=-B_0hatk . Find time dependence of velocity and position of the particle.

In uniform magnetic field, if angle between vec(v) and vec(B) is 0^(@) lt 0 lt 90^(@) , the path of particle is helix. Let v_(1) be the component of vec(v) along vec(B) and v_(2) be the component perpendicular to vec(B) . Suppose p is the pitch. T is the time period and r is the radius of helix. Then T = (2pim)/(qB), r = (mv_(2))/(qB), P = (v_(1))T Assume a charged particle of charge q and mass m is released from the origin with velocity vec(v) = v_(0) hat(i) - v_(0) hat(k) in a uniform magnetic field vec(B) = -B_(0) hat(k) . Pitch of helical path described by particle is

A portion is fired from origin with velocity vec(v) = v_(0) hat(j)+ v_(0) hat(k) in a uniform magnetic field vec(B) = B_(0) hat(j) . In the subsequent motion of the proton

In uniform magnetic field, if angle between vec(v) and vec(B) is 0^(@) lt 0 lt 90^(@) , the path of particle is helix. Let v_(1) be the component of vec(v) along vec(B) and v_(2) be the component perpendicular to vec(B) . Suppose p is the pitch. T is the time period and r is the radius of helix. Then T = (2pim)/(qB), r = (mv_(2))/(qB), P = (v_(1))T Assume a charged particle of charge q and mass m is released from the origin with velocity vec(v) = v_(0) hat(i) - v_(0) hat(k) in a uniform magnetic field vec(B) = -B_(0) hat(k) . Axis of helix is along

An alpha particle moving with the velocity vec v = u hat i + hat j ,in a uniform magnetic field vec B = B hat k . Magnetic force on alpha particle is

AAKASH INSTITUTE ENGLISH-TEST 2-Exercise
  1. A closed loop carrying current is placed so that its plane is perpendi...

    Text Solution

    |

  2. An electron with mass m, velocity v and charge e describe half a revol...

    Text Solution

    |

  3. A conducting wire MN moves with velocity V0 along +X-axis in a uniform...

    Text Solution

    |

  4. As shown in figure there is a ring having radius R and charge q distri...

    Text Solution

    |

  5. Two non-interacting inductor L1 = 2 mH and L2 = 5 mH are connected in ...

    Text Solution

    |

  6. A square loop of side 10 cm with its side parallel to X, and y axis is...

    Text Solution

    |

  7. A conducting rod PQ is rotated in a magnetic field B about an axis pas...

    Text Solution

    |

  8. A magnet is suspended in the magnetic meridian with an untwisted wire....

    Text Solution

    |

  9. A bar magnet has a coercivity of (4000 Am^-1) It is desired to demagne...

    Text Solution

    |

  10. A short bar magnet of magnetic moment 1.5 Am^2 is placed along x-axis ...

    Text Solution

    |

  11. A parallel plate capacitor made of circular plates each of radius 6 cm...

    Text Solution

    |

  12. A coil in the shape of square is placed in a variable magnetic field, ...

    Text Solution

    |

  13. A uniform magnetic field along a long cylindrical rod varies with time...

    Text Solution

    |

  14. The network shown in the figure is a part of a complete circuit. If at...

    Text Solution

    |

  15. The time constant for LR circuit between the terminals a and b as show...

    Text Solution

    |

  16. A capacitor C and inductor L are connected in parallel with a battery ...

    Text Solution

    |

  17. If an ac source is connected across ideal capacitor and current passin...

    Text Solution

    |

  18. A series R-L circuit is subjected to an alternating voltage given as (...

    Text Solution

    |

  19. An a.c. voltage of (V = 100 sin omega t) volt is connected across the ...

    Text Solution

    |

  20. The dimensional formula of [E0(dphiE)/dt] is (where phiE electric flux...

    Text Solution

    |