Home
Class 12
PHYSICS
A coil of circular cross - section havin...

A coil of circular cross - section having 1000 turns and `4cm^(2)` face area is placed with its axis parallel to a magnetic field which decreases by `10^(-2)"Wb m"^(-2)` in 0.01 s. the e.m.f induced in the coil is :

A

0.4 mV

B

4 mV

C

200 mV

D

400 mV

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • JEE MOCK TEST 9

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos
  • NEET MOCK TEST 07

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A coil intercepts a magnetic flux of 0.2 xx 10^(-2) Wb in 0.1 s. What is the emf induced in the coil ?

A coil having an area 2 m^(2) is placed in a magnetic field which changes from 1 wb//m_(2) n interval of 2s. The e.m.f. induced in the coil is:

A coil having an area of 2m^(2) is placed in a magnetic field which changes from 2 Wb//m^(2) to 5Wb//m^(2) in 3 seconds. The e.m.f. Induced in the coil is

A coil having an area of 3m^(2) is placed in a magnetic field which changes from a 9 Wb//m^(2) to 5Wb//m^(2) in three seconds. The e.m.f. Induced in the coil is

A coil having an area 2m^(2) is placed in a magnetic field which changes from 1 Wb//m^(2) to 4Wb//m^(2) in an interval of 2 second. The average e.m.f. induced in the coil will be

A coil having an area A_(0) is placed in a magnetic field which changes from B_(0) to 4B_(0) in a time interval t . The e.m.f. induced in the coil will be

NTA MOCK TESTS-NEET MOCK TEST 06-PHYSICS
  1. To send 10% of the main current through a moving coil galvanometer of ...

    Text Solution

    |

  2. A steel ball strikes a fixed smooth steel plate placed on a horizontal...

    Text Solution

    |

  3. A coil of circular cross - section having 1000 turns and 4cm^(2) face ...

    Text Solution

    |

  4. The mirror in the below case is

    Text Solution

    |

  5. A stone is projected vertically upward to reach maximum height h. The ...

    Text Solution

    |

  6. A force given by vecF=f(x)hati+f(y)hatj+f(z)hatk acts on a particle wh...

    Text Solution

    |

  7. Two identical square rods of metal are welded end to end as shown in f...

    Text Solution

    |

  8. Identify the gate and match A, B, Y in the bracket to check.

    Text Solution

    |

  9. A particle of mass m is projected upwards with velocity v=(v(e))/(2), ...

    Text Solution

    |

  10. A particle moves in a circular path of radius 0.5 m at a speed that un...

    Text Solution

    |

  11. 1 g of water at 100^(@)C is completely converted into steam at 100^(@)...

    Text Solution

    |

  12. A simple pendulum consisting of a mass M attached to a string of lengt...

    Text Solution

    |

  13. The ends of a stretched wire of length L are fixed at x = 0 and x = L....

    Text Solution

    |

  14. K("max") (in eV) = 3, and frequency of light (in Hz) =1xx10^(15) for a...

    Text Solution

    |

  15. A capacitance of 2 muF is required in an electrical circuit across a p...

    Text Solution

    |

  16. A rocket of mass 4000 kg is set for vertical firing. How much gas must...

    Text Solution

    |

  17. 1 mole of a gas with gamma=7//5 is mixed with 1 mole of a gas with gam...

    Text Solution

    |

  18. An electromagnetic wave fo frequency 1xx10^(14) Hz is propagating alon...

    Text Solution

    |

  19. The algebraic sum of two co - initial vectors is 16 units. Their vecto...

    Text Solution

    |

  20. In a Young's double slit experiment, slits are separated by 0.5 mm and...

    Text Solution

    |