Home
Class 12
PHYSICS
With the decrease of current in the prim...

With the decrease of current in the primary coil from 2 amperes to zero value in 0.01 s the emf generated in the secondary coil is 1000 volts. The mutual inductance of the two coils is

A

1.25 H

B

2.50 H

C

5.00 H

D

10.00 H

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION - B) (OBJECTIVE TYPE QUESTIONS)|25 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION -C) Previous Years Questions|34 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|30 Videos

  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE ENGLISH|Exercise comprehension|3 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

Similar Questions

Explore conceptually related problems

If the current in the primary coil is reduced from 3 A to zero in 0.001 s, the induced emf in the secondary coil is 1500 volt. Calculate the mutual inductance between two coils.

If a current of 3.0 amperes flowing in the primary coil is reduced to zero in 0.001 second, then the induced e.m.f. in the secondary coil is 15000 "volts" . The mutual inductance between the two coils is

The mutual inductance of two coil of radii a and b (a

Mutual inductance of two coils can be increased by

Define the term 'mutual inductance' between the two coils.

When the current in a coil changeg from 8 amperes to 2 amperes in 3xx10^(-2) seconds, the e.m.f. induced in the coil is 2 volt. The self-inductance of the coil (in millihenry) is

If the current in the primary circuit of a pair of coils changes from 5 amp to 1 amp in 0.02 sec, calculate (i) induced emf in the secondary coil if the mutual inductance between the two coils is 0.5H and (ii) the change of flux per turn in the secondary, if it has 200 turns.

The current decays from 5A to 2A in 0.01s in a coil. The emf induced in a coil nearby it is 30V. Calculate the mutual inductance of the coil.

A varying current ina coils changes from 10 A to zero in 0.5 s .If the average emf induced in the coils is 220 V , the self- inductance of the coils is

When the primary current in the spark-coil of a car changes from 4A to zero in 10muS , an emf of 40,000 V is induced in the secondary. The mutual inductance between the primary and the secondary windings of the spark-coil will be -

AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-ASSIGNMENT(SECTION - A) (OBJECTIVE TYPE QUESTIONS)
  1. A loop of irregular shape of conducting wire PORS (as shown in figure)...

    Text Solution

    |

  2. When a conducting wire XY is moved towards the right, a current flows ...

    Text Solution

    |

  3. A copper rod of length l is rotated about one end perpendicular to the...

    Text Solution

    |

  4. A coil of cross-sectional area A having n turns is placed in uniform m...

    Text Solution

    |

  5. A flat coil of 500 turns each of area 50 cm^(2) rotates in a uniform m...

    Text Solution

    |

  6. Eddy current are produce when

    Text Solution

    |

  7. A motor starter

    Text Solution

    |

  8. A simple electric motor has an armature resistance of 1Omega and runs ...

    Text Solution

    |

  9. Which of the following is possible application of an RC circuit?

    Text Solution

    |

  10. The current passing through a choke coil of 5 henry is decreasing at t...

    Text Solution

    |

  11. When the number of turns in a coil is doubled without any change in th...

    Text Solution

    |

  12. A coil of resistance 10 W and an inductance 5H is connected to a 10...

    Text Solution

    |

  13. (a) Obtain the expression for the magnetic energy stored in a solenoid...

    Text Solution

    |

  14. An inductor is connected to a direct voltage source through a switch. ...

    Text Solution

    |

  15. A long solenoid has self inductance. L. If its length is doubled keepi...

    Text Solution

    |

  16. If L and R denote inductance and resistance , respectively , then the ...

    Text Solution

    |

  17. A solenoid of 2000 turns is wound over a length of 0.3 m. The area aof...

    Text Solution

    |

  18. With the decrease of current in the primary coil from 2 amperes to zer...

    Text Solution

    |

  19. Two coaxial coils are very close to each other and their mutual induct...

    Text Solution

    |

  20. The coefficients of self induction of two inductance coil are 0.01 H a...

    Text Solution

    |