Home
Class 12
PHYSICS
An inductor (L =0.03 H) and a resistor (...

An inductor (L =0.03 H) and a resistor `(R = 0.15k(Omega))` are connected in series to a battery of 15 V EMF in a circuit shown below. The key `K_(1)` is opened and Key `K_(2)` is closed simultaneously. At t =1 ms, the current in the circuit will be `(e^(5) = 150)`

A

6.7 mA

B

0.67 mA

C

100 mA

D

67 mA

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4| Section A (Prevous Years Problems )|28 Videos

  • Electrical Instrument

    MOTION|Exercise EXERCISE -3|16 Videos

  • ELECTRO MAGNETIC WAVES

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

Similar Questions

Explore conceptually related problems

In the circuit shown below, the key K is closed at t = 0. The current through the battery is

An inductor (L = 100 mH) , a resistor (R = 100 (Omega)) and a battery (E = 100 V) are initially connected in series as shown in the figure. After a long time the battery is disconnected after short circuiting the point A and B. The current in the circuit 1 ms after the short circuit is

An inductor (L = 100 mH), a resistor (R = 100Omega) and a battery (E = 100 V) are initially connected in series as shown in the figure. After a long time the battery is disconnected after short circuiting the points A and B. The current in the circuit 1 ms after the short circuit is

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.

In the circuit shown below, the key K is closed at t = 0 . The current through the battery is

An inductor (L = 100 mH) , a resistor (R = 100 Omega) , and a battery (W = 100 V) are initially connected in series as shown by the figure. After a long time the battery is disconnected after short circuiting the points A and B . The currents in the circuit 1 mm after the short circuit is

An inductor (L =20 mH) , a resistor ( R = 100 Omega) and a battery (verepsilon = 10 V) are connected in series. After along time the circuit is short- circuited and then the battery is disconnected. Find the current in the cirucit 1ms after short- circuititig.

In the circuit shown in figure L=10H, R=5Omega, E=15V. The switch S is closed at t=0 . At t=2s the current in the circuit is

A 0.2 k Omega resistor and 15 mu F capacitor are connected in series to a 220 V, 50 Hz ac source. The impadance of the circuit is

In the circuit shown in Figure, initially key K_(1) is closed and key K_(2) is open. Then K_(1) is opened and K_(2) is closed. Then

MOTION-ELECTRO MAGNETIC INDUCTION-EXERCISE-4| Section B (Prevous Years Problems )
  1. A coil of inductance 300mh and resistance 2Omega is connected to a sou...

    Text Solution

    |

  2. One conducting U tube can slide inside another as shown in figure, mai...

    Text Solution

    |

  3. The flux linked with a coil at any instant 't' is given by phi = 10t^(...

    Text Solution

    |

  4. In an AC generator, a coil with N turns, all of the same area A and to...

    Text Solution

    |

  5. An inductor (L = 100 mH), a resistor (R = 100Omega) and a battery (E =...

    Text Solution

    |

  6. An ideal coil of 10H is connected in series with a resistance of 5(Ome...

    Text Solution

    |

  7. Two coaxial solenoids are made by winding thin insulated wire over a p...

    Text Solution

    |

  8. An inductor of inductance L=400mH and resistors of resistances R(1)=2 ...

    Text Solution

    |

  9. In the circuit shown below, the key K is closed at t =0. The current t...

    Text Solution

    |

  10. A rectangular loop has a sliding connector PQ of length l and resistan...

    Text Solution

    |

  11. A fully charged capacitor C with initial charge q(0) is connected to a...

    Text Solution

    |

  12. A horizontal straight wire 20 m long extending from east to west falli...

    Text Solution

    |

  13. A boat is moving due east in a region where the earth's magnetic field...

    Text Solution

    |

  14. A coil is suspended in a uniform magnetic field, with the plane of the...

    Text Solution

    |

  15. A metallic rod of length 'l' is tied to a string of length 2l and made...

    Text Solution

    |

  16. In the circuit shown here, the point C is kept connected to the point ...

    Text Solution

    |

  17. An inductor (L =0.03 H) and a resistor (R = 0.15k(Omega)) are connecte...

    Text Solution

    |

  18. An LCR circuit is equivalent to a damped pendulum In an LCR circuit th...

    Text Solution

    |

  19. In a coil of resistance 100 Omega , a current is induced by changing t...

    Text Solution

    |

  20. An EM wave from air enters a medium. The electric fields are overset...

    Text Solution

    |