Home
Class 12
PHYSICS
When the key E is pressed at time t = 0,...

When the key `E` is pressed at time `t = 0`, which of the following statements about the current `I` in the resistor `AB` of the given circuit is true.

A

` at t= 0,i= 2mA ` and with time it goes to 1 mA

B

i oscillatets between 1 mA and 2 mA

C

i = 2mA at all t

D

i = 1 m A at all t

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • Capacitance

    MOTION|Exercise EXERCISE -2 LEVEL (II)|22 Videos
  • Capacitance

    MOTION|Exercise EXERCISE -3 LEVEL 1|31 Videos
  • Capacitance

    MOTION|Exercise EXERCISE -1|60 Videos
  • CALORIMETRY

    MOTION|Exercise EXERCISE - 3 Section - B|4 Videos
  • CENTRE OF MASS

    MOTION|Exercise Exercise - 4 Level-II|20 Videos
MOTION-Capacitance -EXERCISE -2
  1. Two dielectric slabs of constant K1 and K2 have been filled in between...

    Text Solution

    |

  2. A capacitor C is charged to a potential difference V and battery is di...

    Text Solution

    |

  3. The capacitance of a parallel plate capacitor is 2.5muF when it is hal...

    Text Solution

    |

  4. Four identical plates 1,2,3 and 4 are placed parallel to each other at...

    Text Solution

    |

  5. The capacity of a parallel plate condenser is 5muF. When glass plate i...

    Text Solution

    |

  6. Two identical capacitors 1 and 2 are connected in series to a batery a...

    Text Solution

    |

  7. A capacitor stores 60muC charge when connected across a battery. When ...

    Text Solution

    |

  8. In the above question, if the initial capacitance of the capacitor was...

    Text Solution

    |

  9. A parallel plate capacitor is connected to a battery and inserted a di...

    Text Solution

    |

  10. A parallel plate capacitor has a capacity C. The separation between pl...

    Text Solution

    |

  11. An air capacitor of 1muF is immersed in a transformer oil of dielectri...

    Text Solution

    |

  12. A parallel plate condenser is immersed in an oil of dielectric constan...

    Text Solution

    |

  13. A capacitor of capacitance 100(mu)F is connected across a battery of e...

    Text Solution

    |

  14. A capacitor of capacitance 0.1 muF is charged to a certain potential t...

    Text Solution

    |

  15. The electric field between the plates of a parallel-plate capacitor of...

    Text Solution

    |

  16. A 5.0(mu)F capacitor having a charge of (20 (mu)C)is discharged throug...

    Text Solution

    |

  17. A charged capacitor is allowed to discharge through a resistor by clo...

    Text Solution

    |

  18. In the circuit shown in the figure, the switch S is initially open and...

    Text Solution

    |

  19. When the key E is pressed at time t = 0, which of the following statem...

    Text Solution

    |

  20. The time constant of C-R circuit is

    Text Solution

    |