Home
Class 12
PHYSICS
Two coils have self-inductance L(1)=4mHa...

Two coils have self-inductance `L_(1)=4mHandL_(2)=1mH` respectively. The currents in the two coils are increased at the same rate. At a certain instant of time both coils are given the same power. If `I_(1)andI_(2)` are the currents in the two coils at that instant of time respectively, then the value of `(I_(1))/(I_(2))` is

A

`1//8`

B

`1//4`

C

`1//2`

D

1

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE - I (MAGNETIC FLUX, FARADAY.S LAW, LENZ.S LAW, AC GENERATOR)|26 Videos
  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE - I (SELF AND MUTUAL INDUCTION)|16 Videos
  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-II|32 Videos
  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos
  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -II|22 Videos

Similar Questions

Explore conceptually related problems

Two coils have self-inductance L_(1) = 4mH and L_(2) = 1 mH respectively. The currents in the two coils are increased at the same rate. At a certain instant of time both coils are given the same power. If I_(1) and I_(2) are the currents in the two coils, at that instant of time respectively, then the value of (I_(1)//I_(2)) is :

Two coils having self-inductances, L_(1)=5mH and L_(2)=1mH . The current in the coil is increasing of same constant rate at a certain instant and the power supplied to the coils is also same, Find the ratio of (i) induced voltage (ii) current (iii) energy stored in two coils at that instant

Two different coils have self inductances L_(1)=8mH and L_(2)=2mH . The current in both the coil is increased at same constant rate. At a certain instant power given to two coils is same. At that time the energy stored in both the coils are V_(1) & V_(2) respectively, then (V_(1))/(V_(2)) is

Two different coils have self- inductances L_(1) = 16 mH and L_(2)= 12 mH. At a certain instant, the current in the two coils is increasing at the same rate and power supplied to the two coils is the same. Find the ratio of i) induced voltage ii) current iii) energy stored in the two coils at that instant.

Two coils have self inductances L_(1)=4 mH and L_(2)=8mH . Current in both the coils is increasing at same rate. At an instant, when the power given to the two coils is same, find (i) Ratio of current in the inductors. (ii) Ratio of potential difference (iii) Ratio of energy stored

Two different coils have self-inductances L_(1) = 8 mH and L_(2) = 2 mH . The current in one coil is increased at a constant rate. The current in the second coil is also increased at the same constant rate. At a certain instant of time, the power given to the two coil is the same. At that time, the current, the induced voltage and the energy stored in the first coil are i_(1), V_(1) and W_(1) respectively. Corresponding values for the second coil at the same instant are i_(2), V_(2) and W_(2) respectively. Then:

Two different coils have self inductances L_1=9mH and L_2=2mH . The current in one coil is increased at a constant rate. The current in the second coil is also increased at the same constant rate. At a certain instant of time, the power given to the two coils is the same. At that time, the current the induced voltage and the energy stored in the first coil are i_1,V_1 and W_1 respectively. Corresponding values for the second coil at the same instant are i_2,V-2 and W_2 respectively. Then,

Mutual inductance of two coils depends on their self inductance L_(1) and L_(2) as :

Two coils of self inductance L_1 and L_2 are placed near each other so that the total flux in one coil is partially linked with the other. Their mutual inductance (M) will be given by

The current flowing in two coaxial coils in the same direction. On increasing the distance the two, the electric current will

AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-III
  1. A horizontal wire is freee to slide on the vertical rails of a conduct...

    Text Solution

    |

  2. A metal rod of resistance R is fixed along a diameter of a conducting ...

    Text Solution

    |

  3. An annular disc of copper with inner and outer radii r and R is rotati...

    Text Solution

    |

  4. A rectangular loop with a sliding connector of length l=10m is the si...

    Text Solution

    |

  5. A squre loop of side a is placed in the same plane as a long stainght ...

    Text Solution

    |

  6. A square metal wire loop of side 20 cm and resistance 2Omega is moved ...

    Text Solution

    |

  7. IN a retangle ABCD (BC = 2AB). The moment of inertia along which aix...

    Text Solution

    |

  8. A rectangulare loop of length l and breadth b is placed at distance of...

    Text Solution

    |

  9. A conducting square frame of side .a. and a long straight wire carryin...

    Text Solution

    |

  10. If current is decreasing at a rate of 1000 As^(-1) p.d. between A and ...

    Text Solution

    |

  11. A coil is wound on a rectangular frame. Keeping the number of turns pe...

    Text Solution

    |

  12. When the current in the portion of the circuit shown in the figure is...

    Text Solution

    |

  13. A small square loop of wire of side l is placed inside a large square ...

    Text Solution

    |

  14. The coefficient of mutual induction between two coils is 4H. If the cu...

    Text Solution

    |

  15. A 50 Hz AC current of crest value 1 A flows through the primary of a t...

    Text Solution

    |

  16. Two coils have self-inductance L(1)=4mHandL(2)=1mH respectively. The c...

    Text Solution

    |

  17. A short-circuited coil is placed in a time-varying magnetic field. Ele...

    Text Solution

    |

  18. Shown in the figure is a circular loop of radius, r and resistance R. ...

    Text Solution

    |

  19. A uniform magnetic field is restricted within a region of radius r. Th...

    Text Solution

    |

  20. A magnetic flux through a stationary loop with a resistance R varies d...

    Text Solution

    |