Home
Class 12
PHYSICS
Two coils have self inductances L(1)=4 m...

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

Text Solution

AI Generated Solution

To solve the problem step by step, we will analyze the given information and use the relevant formulas for inductance, power, and energy stored in inductors. ### Given: - Self-inductance of coil 1: \( L_1 = 4 \, \text{mH} = 4 \times 10^{-3} \, \text{H} \) - Self-inductance of coil 2: \( L_2 = 8 \, \text{mH} = 8 \times 10^{-3} \, \text{H} \) - The current in both coils is increasing at the same rate. - The power given to both coils is the same. ...
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|42 Videos
  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - A)|55 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

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-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 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,

The current through two inductors of self inductance 12 mH and 30 mH is increasing with time at the same rate. Draw graphs showing the variation of the (a ) e.m.f. induced with the rate of change of current in each inductor. (b) enargy stored in each inductor with the current flowing through it. Compare the energy stored in the coils if power dissipated in the coil is same.

Two coils of self inductance L_(1) and L_(2) are connected in parallel and then connected to a cell of emf epsilon and internal resistance - R. Find the steady state current in the coils.

An emf 96.0mV is induced in the windings of a coil when the current in a nearby coil is increasing at the rate of 1.20A/s. The mutual inductance of the two coils is

Coefficient of coupling between two coils of self-inductances L_(1) and L_(2) is unity. It means

AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC INDUCTION-ASSIGNMENT(SECTION -D) Assertion-Reason type Question)
  1. Two coils have self inductances L(1)=4 mH and L(2)=8mH. Current in bot...

    Text Solution

    |

  2. A : Total induced emf in a loop is not confined to any particular poin...

    Text Solution

    |

  3. A: The induced current flows so as to oppose the cause producing it. ...

    Text Solution

    |

  4. A: Faraday's law is an experimental law. R: Time varying magnetic f...

    Text Solution

    |

  5. Assertion : An electrostatic field line never form closed loop. Reas...

    Text Solution

    |

  6. A: The mutual Induction between the two coils infinitely apart is zero...

    Text Solution

    |

  7. A: An inductor is called the inertia of an electric circuit. R: An ...

    Text Solution

    |

  8. A: At any instant, if the current through an inductor is zero, then th...

    Text Solution

    |

  9. A: There may be an induced emf in a loop without induced current. R:...

    Text Solution

    |

  10. A: When the magnetic flux through a loop is maximum, induced emf is ma...

    Text Solution

    |

  11. A: When a conducting loop is kept stationary in a non-uniform magnetic...

    Text Solution

    |

  12. A: When an electric motor is started, a variable resistance (that decr...

    Text Solution

    |

  13. A: When a bar magnet is dropped into a vertical long hollow metallic t...

    Text Solution

    |

  14. A: The power output of a practical transformer is always smaller than ...

    Text Solution

    |

  15. A: Electrical power through transmission lines is transmitted at high ...

    Text Solution

    |

  16. A: The electric field induced due to changing magnetic field is non-co...

    Text Solution

    |