Home
Class 12
PHYSICS
A coil resistance R and inductance L is ...

A coil resistance R and inductance L is connected to a battery of emf E volt. The final current in the coil is

A

`E//R`

B

`E//L`

C

`sqrt([E//(R^(2)+L^(2))])`

D

`sqrt ([EL//(R^(2)+L^(2))])`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-2 (Objective problems (Analytical questions))|70 Videos

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-3 (Assertion & Reasoning)|18 Videos

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise QUESTION FOR PRACTICE|41 Videos

  • Electrical Instrument

    MOTION|Exercise EXERCISE -3|16 Videos

  • ELECTRO MAGNETIC WAVES

    MOTION|Exercise EXERCISE - 3 (SECTION - B)|8 Videos

Similar Questions

Explore conceptually related problems

A coil of inductance 8.4 mH and resistance 6 Omega is connected to a 12 V battery. The current in the coil is 1.0 A at approximately the time.

A coil o finductanc e 8.4mH and resistance 6Omega is connected to a 12V battery. The current in the coil is 1.0A in the time (approx .)

A coil of inductance 8.4 mH and resistance 6 (Omega) is connected to a 12 V battery. The current in the coil is 1.0 A at approximately the time

A coil resistance 20 W and inductance 5 H is connected with a 100 V battery. Energy stored in the coil will be

A coil of resistance 10Omega and an inductance 5H is connected to a 100 volt battery. Then energy stored in the coil is

MOTION-ELECTRO MAGNETIC INDUCTION-EXERCISE-1
  1. The current in an L - R circuit in a time t = 2L / R reduces to-

    Text Solution

    |

  2. A coil of 10 H inductance has a 5 Omega resistance and is connected to...

    Text Solution

    |

  3. A coil resistance R and inductance L is connected to a battery of emf ...

    Text Solution

    |

  4. Calculate the ratio of power desipatted by the bulb at t=1 sec and t=2...

    Text Solution

    |

  5. Calculated the ratio of current flowing through the battery at t=0 and...

    Text Solution

    |

  6. Plot the variation of emf across the inductor with respect time

    Text Solution

    |

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

    Text Solution

    |

  8. The coefficient of mutual induction between two closely lying coil doe...

    Text Solution

    |

  9. Out of the two coils placed near each other, when a current of 2 amp i...

    Text Solution

    |

  10. An inductor may store energy in

    Text Solution

    |

  11. On making a coil of copper wire of length  and coil radius r, the val...

    Text Solution

    |

  12. v34

    Text Solution

    |

  13. The coefficient of coupling between two coil is maximum when the two c...

    Text Solution

    |

  14. Two coils of self-inductance L(1) and L(2) are placed closed to each o...

    Text Solution

    |

  15. The mutual inductance of an induction coil is 5H . In the primary coil...

    Text Solution

    |

  16. The value of coefficient of mutual induction in two coils can be incre...

    Text Solution

    |

  17. If the current in the primary coil is reduced from 3.0 ampere to zero ...

    Text Solution

    |

  18. A solenoid having a core of cross-section 4cm^(2), half air and half i...

    Text Solution

    |

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

    Text Solution

    |

  20. Two identical solenoid coils, each of self inductancen L are connected...

    Text Solution

    |