Home
Class 12
PHYSICS
The switch S shown in figure is kept clo...

The switch S shown in figure is kept closed for a long time and then opened at t = 0, then the current in the middle `20 Omega` resistor at `t = 0.25` ms is :

A

`0.629 A`

B

`0.489 A`

C

`0.189A`

D

23 mA

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • CAPACITANCE

    RESONANCE|Exercise Exercise - 2|74 Videos
  • CAPACITANCE

    RESONANCE|Exercise Exercise - 3|26 Videos
  • CAPACITANCE

    RESONANCE|Exercise Miscellaneous Solved Example|3 Videos
  • ATOMIC PHYSICS

    RESONANCE|Exercise Advanved level problems|17 Videos
  • COMMUNICATION SYSTEMS

    RESONANCE|Exercise Exercise 3|13 Videos

Similar Questions

Explore conceptually related problems

The switch S shown in figure is kept closed for a long time and is then opened at t=0 .Find the current in the middle 10(Omega) resistor at t=1.0ms .

If the switch is closed for long time and then open at t = 0 , the P.D across indicator at t = 0 is

The switch shown in figure is closed at t=0 find the charge throuh battery till time t=(L)/(R)

Switch S shown in Fig. is closed for t lt 0 and is opened at t = 0 . When currents through L_(1) and L_(2) are equal, their common value is

In Fig. switch S is closed for a long time. At t = 0 , if it is opened, then

Refer to Fig. 7.49 . Long time after closing the switch , find the current through the 5 Omega resistor.

The switch shown n the figure is closed at t=0 . The charge on the capacitor as a function of time is given by

In the given at t = 0 , switch S is closed. The current through the 10 Omega resistor at any instant t(0 lt t lt oo) will be

RESONANCE-CAPACITANCE-Exercise - 1
  1. A 3 mega ohm resistor and an uncharged 1 mu F capacitor are connecte...

    Text Solution

    |

  2. An uncharged capacitor of capacitance 8.0 mu F is connected to a batte...

    Text Solution

    |

  3. An uncharged capacitor of capacitance 8.0 mu F is connected to a batte...

    Text Solution

    |

  4. An uncharged capacitor of capacitance 100 mu F is connected to a bat...

    Text Solution

    |

  5. An uncharged capacitor of capacitance 100 mu F is connected to a bat...

    Text Solution

    |

  6. The charge on each of the capacitors 0.16 ms after the switch S is c...

    Text Solution

    |

  7. The plates of capacitor of capacitance 10 mu F, charged to 60 mu C, a...

    Text Solution

    |

  8. The plates of capacitor of capacitance 10 mu F, charged to 60 mu C, a...

    Text Solution

    |

  9. The plates of capacitor of capacitance 10 mu F, charged to 60 mu C, a...

    Text Solution

    |

  10. The switch S shown in figure is kept closed for a long time and then ...

    Text Solution

    |

  11. The distance between the plates fo a parallel plate capacitor is d. A...

    Text Solution

    |

  12. On placing a dielectric slab between the plates of an isolated charg...

    Text Solution

    |

  13. The effective capacitance of the system in adjoining figure will be -

    Text Solution

    |

  14. In the adjoining diagram two geometrically identical capacitors A an...

    Text Solution

    |

  15. A parallel plate condenser is connected to a battery of e.m.f. 4 volt...

    Text Solution

    |

  16. In the above problem, if the battery is disconnected before inserting ...

    Text Solution

    |

  17. A parallel plate condenser with plate separation d is charged with t...

    Text Solution

    |

  18. In the above problem if the battery is disconnected before placing th...

    Text Solution

    |

  19. The circuit involves two ideal cells connected to a 1 mu F capacitor ...

    Text Solution

    |

  20. In each situation of column-I, a circuit involving two non-ideal cell...

    Text Solution

    |