Home
Class 12
PHYSICS
A pair of adjacent coils has a mutual in...

A pair of adjacent coils has a mutual inductance of 1.5 H. If the current in one coil changes from 0 to 20 A in 0.5 s, what is the change of flux linkage with the other coil?

Text Solution

Verified by Experts

`L=2.5H`
`(di)/(dt)=(A)/(s')`
`E=(di)/(dt)`
`impliesE=2.5xx1=2.5V`.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    HC VERMA|Exercise Objective 2|10 Videos

  • ELECTRIC FIELD AND POTENTIAL

    HC VERMA|Exercise Exercises|75 Videos

  • ELECTROMAGNETIC WAVES

    HC VERMA|Exercise Exercise|9 Videos

Similar Questions

Explore conceptually related problems

Two coils P and Q are at fixed position. When coil P has no current in coil Q increases at the rate of 5As^(-1) , the e.m.f. in coil P is 20 mV. What is the mutual inductance? When the coil Q has no current and coil P has a current of 3A, what is the flux linkage in coil Q?

An emf of 12V is induced when the current in the coil changes at the rate of 40AS^(-1). The coefficent of self induction of the coil is

When the current changes from + 2A to -2A in 0.05 s, an emf of 8 V is induced in a coil is co-efficient of self-induction of the coil is

Two coils have amutual inductance 0.005 H. The current changes in the first coil according to the equation I= i_m sin omega t , where i_m = 10 A and w= 100 pi rad s^(-1) . The maximum value of the emf induced in the second coil is:

A current of 2.5 A flows through a coil of inductance 5 H The magnetic flux linked with the coil is

HC VERMA-ELECTROMAGNETIC INDUCTION-EXERCISE
  1. An inductor coil of resistance 10 Omega and inductance 120 mH is conn...

    Text Solution

    |

  2. An inductor coil of inductance 17 mH is constructed from a copper wire...

    Text Solution

    |

  3. An LR circuit having a time constant of 50 ms is connected with an ide...

    Text Solution

    |

  4. A coil having an inductance L and a resistance R is connected to a bat...

    Text Solution

    |

  5. A solenoid having inductance 4.0 H and resistance 10 <span>&#8486;</sp...

    Text Solution

    |

  6. The magnetic field at a point inside a 2.0 mH inductor coil becomes 0...

    Text Solution

    |

  7. An LR circuit with emf epsilon is connected at t = 0. (a) find the cha...

    Text Solution

    |

  8. an inductor of inductance 2.00 H is joined in series with a resistor o...

    Text Solution

    |

  9. Two coil A and B have inductances 1.0 H and 2.0 H respectively. The...

    Text Solution

    |

  10. The current in a discharging LR circuit without the battery drops from...

    Text Solution

    |

  11. A constant current exists in an inductor coil connected to a battery. ...

    Text Solution

    |

  12. Consider the circuit shown in figure.(a) find the current through the ...

    Text Solution

    |

  13. A current of 1.0 A is established in a tightly wound solenoid of rad...

    Text Solution

    |

  14. Consider a small cube of volume 1 mm ^3 at the centre of a circular l...

    Text Solution

    |

  15. A current 10A is flowing East to West in a long wire kept horizontally...

    Text Solution

    |

  16. A pair of adjacent coils has a mutual inductance of 1.5 H. If the curr...

    Text Solution

    |

  17. Find the mutual inductance between the circular coil and the loop show...

    Text Solution

    |

  18. Find the mutual inductance between the circular coil and the loop show...

    Text Solution

    |

  19. A solenoid of length 20cm, area of cross- section 4.0 cm^2 and having ...

    Text Solution

    |

  20. The current in a long solenoid of radius R and having n turns per unit...

    Text Solution

    |