Home
Class 12
PHYSICS
A straight conductor of length 0.4 m is ...

A straight conductor of length 0.4 m is moved with a speed of 7 m/s perpendicular to the magnetic field of intensity of `0.9 Wb//m^(2)`. The induced e.m.f. across the conductor will be

A

`5.04V`

B

`2.52V`

C

`1.26V`

D

`25.2V`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER 3

    KCET PREVIOUS YEAR PAPERS|Exercise (PHYSICS)|60 Videos
  • MODEL TEST PAPER 5

    KCET PREVIOUS YEAR PAPERS|Exercise Physics|60 Videos

Similar Questions

Explore conceptually related problems

A straight line conductor of length 0.4 m is moved with a speed of 7 m//s perpendicular to a magnetic field of intensity 0.9 Wb//m^2 . The induced e.m.f. across the conductor is

A conductor of length 10 cm is moved parallel to itself with a speed of 10 m/s at right angle to a uniform magnetic field of 10^(-4)"wb"//m^(2) . What is the e.m.f. induced in it?

Does an induced emf develop in a conductor when moved in a direction parallel to the magnetic field ?

A circular coil of radius 0.2 m having 2000 turns rotates with a uniform speed of 100 rpm in a uniform magnetic field of 0.2 T. The r.m.s. value of the induced voltage is

A 0.4 m long straight conductor moves in a magnetic field of magnetic induction 0.9 Wb//m^2 with a velocity of 7m//s . Calculate the e.m.f. induced in the conductor under the condition when it is maximum.

Derive the expression for emf induced in a straight conductor moving perpendicular to a uniform magnetic field.

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 4-PHYSICS
  1. A 100 pF capacitor is connected to a 230 V, 50 Hz a.c. source, the r.m...

    Text Solution

    |

  2. A step up transformer operates on a 230 V line and a load current of 2...

    Text Solution

    |

  3. A straight conductor of length 0.4 m is moved with a speed of 7 m/s pe...

    Text Solution

    |

  4. Best method to increase the sensitivity of the moving coil galvanomete...

    Text Solution

    |

  5. The hysteresis cylcle for the material of a permanent magnet is

    Text Solution

    |

  6. The magnetic moment of atomic neon is

    Text Solution

    |

  7. The radius of curvature of the path of the charged particle in a unifo...

    Text Solution

    |

  8. An electric bulb is rated 220 volt - 100 watt. The power consumed by i...

    Text Solution

    |

  9. The current in the circuit (see fig) is

    Text Solution

    |

  10. Dry ice is

    Text Solution

    |

  11. A charged particle of mass m and charge q is released from rest in an ...

    Text Solution

    |

  12. 64 small drops of mercury, each of radius r and charge q coalesce to f...

    Text Solution

    |

  13. Five capacitors of 20mu F capacity each are commected to a D.C potenti...

    Text Solution

    |

  14. The insulated spheres of radii R(1) and R(2) having charges Q(1) and Q...

    Text Solution

    |

  15. A particle of mass 2 g and charge 1 muC is held at rest on a frictionl...

    Text Solution

    |

  16. The intensity of a sound wave gets reduced by 20% on passing through a...

    Text Solution

    |

  17. When temperature is increases, the frequency of organ pipe

    Text Solution

    |

  18. The displacement of partcles in a string streched in the x-direction i...

    Text Solution

    |

  19. Two sources of sound are in resonance when

    Text Solution

    |

  20. A transverse wave is described by the equation y= A sin 2 pi (vt - x/l...

    Text Solution

    |