Home
Class 12
PHYSICS
A wire of length 0.1 m moves with a spee...

A wire of length 0.1 m moves with a speed of 10 "m/s" perpendicular to a magnetic
field of induction 1 `"wb/m"^(2).` What is the value of induced emf?

Text Solution

Verified by Experts

1=0.1 m
v = 10 "m/s"
`B=1"wb/m"^(2)`
e= "B/v"
e= 1 xx 0.1 xx 10 = 1 volt
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    BETTER CHOICE PUBLICATION|Exercise MOST EXPECTED QUESTIONS |9 Videos
  • ELECTRICAL MEASUREMENTS

    BETTER CHOICE PUBLICATION|Exercise Most Expected Questions|7 Videos
  • ELECTROMAGNETIC WAVES

    BETTER CHOICE PUBLICATION|Exercise NUMERICALS|4 Videos

Similar Questions

Explore conceptually related problems

A wire of length 0.1 m moves with a speed of 10 m s^-1 perpendicular to a magnetic field of induction 1 Wb m^-2 . What is the value of induced e.m.f.?

A straight line conductor of length 0.4 m is moved with a speed of 7ms^-1 perpendicular to magnetic field of intensity 0.9 Wb m^-2 . The induced e.m.f. across the conductor is

A two metre wire is moving with a velocitu of 1m//s perpendicular to a magnetic field of 0.5 Wb//m^2 . the emf induced in it will be:

A two metre wire is moving with a velocity of 1 m/s perpendicular to a magnetic field of 0.5 Wb/m^2 . The emf induced in it will be

A wire 88cm long bent into a circular loop is placed perpendicular to the magnetic field of density 2.5 Wb m^(-2) . Within 0.5 s the loop is changed into square of each side 22 cm and the density is increased to 3Wbm-2 . Calculate the value of e.m.f. induced.

A conductor of length l is moved perpendicular to uniform magnetic field B with velocity v as shown in the figure The e.m.f. induced across the length of the conductor is

A metallic wire bent in the form of a semicircle of raidus 0.1 m is moved into magnetic field of 20 mT in a direction parallel to its plane, but perpendicular to the magnetic field with a velocity of 10 ms^-1 . Find the e.m.f. induced in the wire.

A straight conductor of length 4 metres move at a speed of 10 m/sec when the conductor makes an angles of 30^@ with the direction of magnetic field of indcution 0.1 Weber per meter^2 . Then the induced e.m.f. is

BETTER CHOICE PUBLICATION-ELECTROMAGNETIC INDUCTION-NUMERICAL PROBLEMS
  1. A silver rod of length one metre fixed at one end is rotating with ang...

    Text Solution

    |

  2. An e.m.f. of 250 muV is induced in a coil, when current in it changes ...

    Text Solution

    |

  3. A wire of length 0.1 m moves with a speed of 10 "m/s" perpendicular to...

    Text Solution

    |

  4. A coil of 100 turns and area 200 "cm"^(2) is placed at right angles to...

    Text Solution

    |

  5. The magnetic flux passing through a coil changes from 6 xx 10^(-3)wb t...

    Text Solution

    |

  6. The magnetic flux passing through a coil changes from 5 xx 10^(-2) w...

    Text Solution

    |

  7. The magnetic flux through a coil changes from 4 xx 10^(-2) wb to 6 xx ...

    Text Solution

    |

  8. A magnetic ifeld 2 xx 10^(-2)"wbm"^(-2) is acting at right angle to a...

    Text Solution

    |

  9. A magnetic field of 4 xx 10^(-4)"wbm"^(-2) is acting at right angle to...

    Text Solution

    |

  10. A magnetic field 5 xx 10^(-4)"wbm"^(-2) is acting at right angle to a...

    Text Solution

    |

  11. A magnetic flux of 5 microweber is linked with a coil when a current o...

    Text Solution

    |

  12. A magnetic flux of 5 microweber is linked with a coil when a current o...

    Text Solution

    |

  13. The magnetic flux threading a coil changes from to 12x10(-3) Wb to 6x1...

    Text Solution

    |

  14. What will be the coefficient of mutual inductance of a pair of coil if...

    Text Solution

    |

  15. A wire is cut across a flux of 0.2x10(-2) weber in 0.12 seconds. What ...

    Text Solution

    |

  16. A railway track running North South has two parallel rails 1.0m apart....

    Text Solution

    |

  17. The magnetic flux through a coil perpendicular to its plane and direct...

    Text Solution

    |

  18. The magnetic flux through a coil perpendicular to its plane and direct...

    Text Solution

    |

  19. The magnetic flux through a coil perpendicular to its plane and direct...

    Text Solution

    |

  20. A wire 88cm long bent into a circular loop is placed perpendicular to ...

    Text Solution

    |