Home
Class 12
PHYSICS
A circular disc of radius 0.2 m is place...

A circular disc of radius `0.2 m` is placed in a uniform magnetic fied of induction `(1)/(pi) ((Wb)/(m^(2)))`
in such a way that its axis makes an angle of `60^(@)` with The magnetic flux linked with the disc is

A

0.08 Wb

B

0.01 Wb

C

0.02 Wb

D

0.06 Wb

Text Solution

Verified by Experts

The correct Answer is:
C
`A=pir^(2)=0.04pi`
`phi=BA cos theta`
`=(1)/(pi)xx0.04pixxcos 60^(@)=0.02Wb`
Promotional Banner

Topper's Solved these Questions

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise QUESTION|95 Videos

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise MCQ|95 Videos

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise MCQ|95 Videos

  • MOTION IN TWO AND THREE DIMENSION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise All Questions|47 Videos

  • NEET 2020

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise All Questions|45 Videos

Similar Questions

Explore conceptually related problems

A square-shaped coil of side 10 cm is placed in a region of magnetic field 0.2 T such that it makes an angle of 30^(@) with the magnetic field. Calculate the magnetic flux linked with the coil.

A rectangular conductor of area 0.2 m^(2) is placed in a unifrom magnetic field with a B-vector strenght of 2T with its normal at an angle 30^(@) . Calculate the magnetic flux linked with the conductor.

A coil of area 100cm^(2) having 500 turns carries a current of 1mA . It is suspended in a uniform magnetic field of induction 10^(-3)wb//m^(2) . Its plane makes an angle fo 60^(@) with the lines of induction. The torque acting on the coil is

A circular coil of diameter 10 cm is placed in a magnetic field of induction 2 xx 10^(-4)T . The magnitude of flux linked with coil when the plane of coil makes an angle 45^@ with the field is

A coil of 100 turns and area 5 square centimetre is placed in a magnetic field B = 0.2 T . The normal to the plane of the coil makes an angle of 60^(@) with the direction of the magnetic field. The magnetic flux linked with the coil is

A bar magnet of length 10 cm experiences a torque of 0.141 N-m in a uniform magnetic field of induction 0.4 wb//m^(2) , when it is suspended making an angle 45^(@) with the field, the pole strength of the magnet is

A circular disc of radius 20 cm is rotating with a constant angular speed of 2.0 rad//s in a uniform magnetic field of 0.2 T. Find the e.m.f. induced between the centre and rim of the disc. Given magnetic field is along the axis of rotation of disc.

A magnet suspended in a uniform magnetic field of induction 0.2" Wb/m"^(2) , makes an angle of 60^(@) with the normal to the direction of the field. What is the magnetic moment of the magnet, if a torque of moment 15xx10^(-2) Nm acts on it?

A square coil of 10^(-2) m^(2) area is placed perpenducular to a uniform magnetic field of 10^(3) Wb//m^(2) . What is magnetic flux through the coil?

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-NEET-PHYSICS
  1. At 10^(@)C, the value of the density of a fixed mass of an ideal gas d...

    Text Solution

    |

  2. A roller coaster is designed such that riders experience "weightlessne...

    Text Solution

    |

  3. A circular disc of radius 0.2 m is placed in a uniform magnetic fied...

    Text Solution

    |

  4. The ratio of the radii of gyration of a circular disc to that of a cir...

    Text Solution

    |

  5. A cell can be balanced against 110 cm and 100 cm of potentiometer wire...

    Text Solution

    |

  6. Which one of the following arrangements does not give the correct pict...

    Text Solution

    |

  7. If a gas expands at constant temperature, it indicates that

    Text Solution

    |

  8. The dissociation equilibrium of a gas AB(2) can be represented as 2A...

    Text Solution

    |

  9. The bromination of acetone that occurs in acid solution is represented...

    Text Solution

    |

  10. A thin circular ring of mass M and radius R is rotating about its axis...

    Text Solution

    |

  11. From a circular disc of radius R and mass 9 M , a small disc of radius...

    Text Solution

    |

  12. A particle of mass M starting from rest undergoes uniform acceleration...

    Text Solution

    |

  13. A solid cylinder and a hollow cylinder, both of the same mass and same...

    Text Solution

    |

  14. The dependence of acceleration due to gravity g on the distance r from...

    Text Solution

    |

  15. The additional kinetic energy to be provided to a satellite of mass m ...

    Text Solution

    |

  16. A student measures that distance traversed in free fall of a body, ini...

    Text Solution

    |

  17. The speed of a projectile at its maximum height is half of its initial...

    Text Solution

    |

  18. (1) Centre of gravity (C.G.) of a body is the point at which the weigh...

    Text Solution

    |

  19. The electric field on an electromagnetic wave in free space is given b...

    Text Solution

    |

  20. A particule moves in x - y plane acording to rule x = a sin omega t an...

    Text Solution

    |