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 in the inductor

C

power delivered by the battery

D

emf induced in the inductor

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-2 (LEVEL-I)|16 Videos
  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-2 (LEVEL-II)|2 Videos
  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|13 Videos
  • ELECTRO MAGNETIC WAVES

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

    MOTION|Exercise Exercise|136 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.

MOTION-ELECTROMAGNETIC INDUCTION-EXERCISE-1
  1. A rod of length l rotates with a uniform angular velocity omega about ...

    Text Solution

    |

  2. The north pole of a magnet is brought near a coil. The induced current...

    Text Solution

    |

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

    Text Solution

    |

  4. A coil of wire of a certain radius has 600 turns and a self-inductance...

    Text Solution

    |

  5. A long solenoid contains 1000 turns/cm and an alternating current of p...

    Text Solution

    |

  6. The magnetic flux through a stationary loop with resistance R varies d...

    Text Solution

    |

  7. A closed planer wire loop of area A and arbitrary shape is placed in a...

    Text Solution

    |

  8. Two coil A and B have coefficient of mutual inductance M=2H. The magne...

    Text Solution

    |

  9. Induction furnace works on the principle of

    Text Solution

    |

  10. L, C and R represent the physical quantities inductance, capacitance a...

    Text Solution

    |

  11. In an L-R circuit connected to a battery of constant e.m.f. E switch S...

    Text Solution

    |

  12. A current of 2A is increasing at a rate of 4A//s through a coil of ind...

    Text Solution

    |

  13. A long solenoid of N turns has a self-induced L and area of cross-sect...

    Text Solution

    |

  14. The current in an L - R circuit in a time t = 2L / R reduces to-

    Text Solution

    |

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

    Text Solution

    |

  16. Electro magnetic waves travel in a medium with speed of 2xx10^(8)m//se...

    Text Solution

    |

  17. A light beam travelling in the x-direction is described by the eectirc...

    Text Solution

    |

  18. A L-C resonant circuit contains a 200 pF capacitor and a 100 muH induc...

    Text Solution

    |

  19. The frequency of radio waves corresponding to a wavelength of ...

    Text Solution

    |

  20. In a plane electromagnetic wave, the electric field oscillates sinusoi...

    Text Solution

    |