Home
Class 12
PHYSICS
A certain elastic conducting material is...

A certain elastic conducting material is stretched into a circular loop.It is placed with its plane perpendicular to a uniform magnetic field `B=0.8T`.When released the radius of the loop starts shrinking at a constant rate of `2cms^(-1)`.The induced emf in the loop at an instant when the radius of the loop is `10cm` will be ______`mV`.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAINS 2022

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS (SECTION -B)|10 Videos

Similar Questions

Explore conceptually related problems

A certain elastic conducting material is stretched into a circular loop of 12.0 cm radius. It is placed with its plane perpendicular to a uniform 0.800 T magnetic field. When released, the radius of the loop starts to shrink at an instantaneous rate of 75.0 emfs. What emf is induced in the loop at that instant?

A conducting circular loop is placed is a uniform magnetic field B =0.20 T with its plane perpendicualr to the field . Somehow, the radius of the loop starts shrinking at a constant rate of 1.0 mm s^(-1). Find the induced emf in the loop at an instant when the radius is 2 cm.

A conduction circular loop is placed in a uniform magnetic field 0.02T with its place normal to the field . The radius of loop starts shrinking at a rate of 1.0 mm//sec . Then induced emf in the loop at an instant when the radius is 2 cm :-

A conducting square loop is placed in a magnetic field B with its plane perpendicular to the field. Now the sides of the loop start shrinking at a constant rate alpha. the induced emf in the loop at an instant when its side is a is

A conducing circular loop is placed in a uniform magnetic field of 0.02 T, woth its plane perpendicular to the field. If the redius of the loop starts shrinking at a constant rate of 1.0 mm//s , then find the emf induced in the loop, at the instant when radius is 4 cm.

A conducting circular loop is placed in a uniform magnetic field, B=0.025T with its plane perpendicular to the loop. The radius of the loop is made to shrink at a constant rate of 1 mms^(-1) . The induced emf when the radius is 2 cm is

A conducting circular loop is placed in a uniform magnetic field 0.04T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2mm//sec . The induced emf in the loop when the radius is 2cm is

JEE MAINS PREVIOUS YEAR-JEE MAINS 2023 JAN ACTUAL PAPER-Question
  1. A tennis ball is dropped on to the floor from a height of 9.8m.It rebo...

    Text Solution

    |

  2. A 0.4kg mass takes 8s to reach ground when dropped from a certain heig...

    Text Solution

    |

  3. A certain elastic conducting material is stretched into a circular loo...

    Text Solution

    |

  4. As shown in the figure,three identical polaroids P(1),P(2) and P(3) ar...

    Text Solution

    |

  5. A Point charge q(1)=4q(0) is placed at origin.Another point charge q(2...

    Text Solution

    |

  6. A Solid sphere of mass 2kg is making pure rolling on a horizontal surf...

    Text Solution

    |

  7. In a meter bridge, the gaps are closed by resistances 2 and 3 ohm. The...

    Text Solution

    |

  8. Two simple harmonic waves having equal amplitudes of 8 cm and equal fr...

    Text Solution

    |

  9. A radioactive element ""92^242 X emits two alpha -particles,one electr...

    Text Solution

    |

  10. The electric current in a circular coil of four turns produces a magne...

    Text Solution

    |

  11. A square loop of area 23cm^(2) has a resistance of 10 Omega.The loop i...

    Text Solution

    |

  12. Given below are two statements: Statement I : Electromagnetic waves a...

    Text Solution

    |

  13. The ratio of de-Broglie wavelength of an a particle and a proton accel...

    Text Solution

    |

  14. A scientist is observing a bacteria through a compound microscope.For ...

    Text Solution

    |

  15. The equation of a circle is given by x^(2)+y^(2)=a^(2),where a is the ...

    Text Solution

    |

  16. A force acts for 20 s on a body of mass 20 kg, starting form rest, aft...

    Text Solution

    |

  17. With the help potentiometer, we can determine the value of emf of a gi...

    Text Solution

    |

  18. Heat energy of 184kJ is given to ice of mass 600g at -12^(@)C.Specific...

    Text Solution

    |

  19. An object moves at a constant speed along a circular path in a horizon...

    Text Solution

    |

  20. A given object takes n times as much time to slido down a 45^(@) rough...

    Text Solution

    |