Home
Class 12
PHYSICS
An LR circuit with a battery is connect...

An LR circuit with a battery is connected at t=0. Which of the following quantities is not zero just after the connection?

A

Current in the circuit

B

magnetic field energy

C

Power delivered by the battery

D

Emf induced in the inductor

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Taking it together|119 Videos

  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Medical entrance special format questions|17 Videos

  • ELECTROMAGNETIC INDUCTION

    DC PANDEY|Exercise Level 2 Subjective|20 Videos

  • CURRENT ELECTRICITY

    DC PANDEY|Exercise Medical entrances gallery|97 Videos

  • ELECTROMAGNETIC WAVES

    DC PANDEY|Exercise Sec C|22 Videos

Similar Questions

Explore conceptually related problems

An LR series circuit with a battery is connected at t=0. Which of the following quantities are zero just after the connection?

In LR circuit, key (K) is closed at t = 0 . Which of the following quantities is not zero at time equal to time constant at circuit

For the three circuit shown in figure- across the battery capacitors are connected in some combination. Which of the following is the correct order of combination :

In given LR circuit the switch S is closed at time t=0 then

An LR circuit with emf epsilon is connected at t = 0. (a) find the charge Q which flows through the battery during O to t. (b) Calculate the work done by the battery during this period. (d) find the magnetic field energy stored in the circuit at time t. (e) Verify that the results in the three parts above are consistent with enegy conservation.

Which two circuit components are connected in parallel in the following circuit diagram ?

A inductor of 20mH inductance and a resistor of 100 Omega resistance are connected in series to a battery of emf 10V. After a long time the circuit is short-circuited and the battery is disconnected. Find the current in the circuit 1 ms after short-circuiting.

Mark the incorrect option 1) When an uncharged capacitor is connected across the battery, just after the connections has been made, it behaves as short circuit 2) When capacitor is fully charged it behave as short circuit 3) When capacitor is fully charged it is behaving as open circuit 4) (A) & (C) both.

DC PANDEY-ELECTROMAGNETIC INDUCTION-Check point
  1. The self inductance of a solenoid of length L, area of cross-section A...

    Text Solution

    |

  2. A solenoid has 2000 turns would over a length of 0.30 m. The area of i...

    Text Solution

    |

  3. A 50 mH coil carries a current of 2 ampere. The energy stored in joule...

    Text Solution

    |

  4. In an inductor of inductance L=100mH, a current of I=10A is flowing. T...

    Text Solution

    |

  5. Two pure inductors each of self-inductance L are connected in parallel...

    Text Solution

    |

  6. Two coils X and Y are placed in a circuit such that when the current c...

    Text Solution

    |

  7. Two coils have a mutual inductance 0.005 H. The current changes in the...

    Text Solution

    |

  8. The mutual inductance between a primary and secondary circuit is 0.5H....

    Text Solution

    |

  9. The coefficient of mutual induction between two circuits is equal to t...

    Text Solution

    |

  10. Two circuits have coefficient of mutual induction of 0.09 henry. Avera...

    Text Solution

    |

  11. A varying current at the rate of 3A//s in a coil generates an e.m.f. o...

    Text Solution

    |

  12. A solenoid is placed inside another solenoid, the length of both being...

    Text Solution

    |

  13. Two coils of self-inductance 2mH and 8 mH are placed so close togethe...

    Text Solution

    |

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

    Text Solution

    |

  15. An ideal coil of 10 henry is joined in series with a resistance of 5 o...

    Text Solution

    |

  16. An L-R circuit has a cell of e.m.f. E , which is switched on at time t...

    Text Solution

    |

  17. During current growth in an L-R circuit the time constant is the time ...

    Text Solution

    |

  18. An LR circuit with a battery is connected at t=0. Which of the follow...

    Text Solution

    |

  19. Eddy currents are produced when

    Text Solution

    |

  20. Which of the following is not an application of eddy currents?

    Text Solution

    |