Home
Class 12
PHYSICS
An ideal coil of 10 H is joined in serie...

An ideal coil of 10 H is joined in series with a resistance of `5Omega` and a battery of 5 V. 2 s after joining, the current flowing in ampere in the circuit will be

A

`e^(-1)`

B

`(1-e^(-1))`

C

(1-e)

D

e

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise EXERCISE-III|29 Videos
  • 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-IB|18 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

An ideal coil of 10 henry is joined in series with a resistance of 5 ohm and a battery of 5 volt. 2 second after joining, the current flowing in ampere in the circuit will be

An idal coil of 10 is connected in series with a resitance of 5Omega and a battery of 5V. After 2s, after the connection is made, the current flowing ( in ampere) in the circuit is

In the circuit in figure, the current flowing 5 Omega resistance is :

A galvanometer of resistance 95 Omega , shunted resistance of 5 Omega , gives a deflection of 50 divisions when joined in series with a resistance of 20 k Omega and a 2 V accumulator. What is the current sensitivity of the galvanomter (in div //mu A )?

An inductor of 2 H and a resistance of 10Omega are connects in series with a battery of 5 V. The initial rate of change of current is

A coil has inductance of (11)/(5pi)H and is joined in series with a resistance of 220Omega . When an alternating emf of 220V at 50Hz is applied to it, then the wattless component of the current in the circuit is

A coil has an inductance of 22/pi H and is joined in series with a resistance of 220 Omega .When an alternating e.m.f of 220 V at 50 c.p.s is applied to it.then the wattless component of the rms current in the circuit is

A coil has a inductance of 0.7pi H and is joined in series with a resistance of 220 Omega . When an alternating emf of 220V at 50 cps is applied to it, then the watt-less component of the current in the circuit is (take 0.7pi = 2.2)

A coil of 40 H inductance is connected in series with a resistance of 8 ohm and the combination is joined to the terminals of a 2 V battery. The time constant of the circuit

in the figure shown , a circuit contains two identical resistors with resistance R= Omega and an inductance with L=2 H ,An ideal battery of 15 V is connected in the circuit what will be the current through the battery long after the switch is clossed ?

AAKASH SERIES-ELECTROMAGNETIC INDUCTION-EXERCISE-II
  1. The Wing span of an aeroplane is 20 metre . It is flying in a fie...

    Text Solution

    |

  2. A small piece of metal wire is dragged across the gap between the pole...

    Text Solution

    |

  3. A copper disc of radius 0.1 m is rotated about its natural axis with 1...

    Text Solution

    |

  4. A wheel with 10 metallic spokes each 0.5 m long is rotated with a spee...

    Text Solution

    |

  5. An E.M.F of 5 V is produced in an inductor, when the current changes a...

    Text Solution

    |

  6. A coil has a self-inductance of 0.05 henry. Find magnitude of the emf ...

    Text Solution

    |

  7. A long solenoid has 1000 truns. When a current of 4A flows through it...

    Text Solution

    |

  8. Calculate the equivalent resistance between the points A and B in Fig.

    Text Solution

    |

  9. If a change in current of 0.01 A in one coil produces a change in ma...

    Text Solution

    |

  10. The current in a coil is changed from 5A to 10A in 10^(-2)s. Then, an ...

    Text Solution

    |

  11. Two coaxial solenods are made by winding thin insulated wire over a pi...

    Text Solution

    |

  12. To emf induced in a secondary coil is 20000 V , when the current bre...

    Text Solution

    |

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

    Text Solution

    |

  14. Two coaxial solenods are made by winding thin insulated wire over a pi...

    Text Solution

    |

  15. A 50 mh coil carries a current of 2 A. the energy stored in joules is

    Text Solution

    |

  16. A condenser of capacity 1 mu F and a resistance 0.5 mega-ohm are conne...

    Text Solution

    |

  17. An ideal coil of 10 H is joined in series with a resistance of 5Omega ...

    Text Solution

    |

  18. A capacitor is connected to a 12 V battery through a resistance of (10...

    Text Solution

    |

  19. A coil of self inductance 2.5 H and resistance 20 Omega is connected t...

    Text Solution

    |

  20. A 8 mu F capacitor is charged by a 400 V supply through 0.1 M Omega re...

    Text Solution

    |