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

0.67 mA

B

100 mA

C

67 mA

D

6.7 mA

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 47

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos
  • NTA JEE MOCK TEST 49

    NTA MOCK TESTS|Exercise PHYSICS|25 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

NTA MOCK TESTS-NTA JEE MOCK TEST 48-PHYSICS
  1. AB is a light rigid rod. Which is rotating about a vertical axis passi...

    Text Solution

    |

  2. An ammeter has resistance R(0) and range l what resistance shoul...

    Text Solution

    |

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

    Text Solution

    |

  4. The current I in an inductance coil varies with time according to the ...

    Text Solution

    |

  5. Four charges +q,+q-q, and -q are placed on X - Y plane at the points w...

    Text Solution

    |

  6. A spherical uniform planet is rotating about its axis. The velocity of...

    Text Solution

    |

  7. A cylinder of radius R made of a material of thermal conductivity K1 i...

    Text Solution

    |

  8. Two gases occupy two containers A and B then gas in A, of volume 0.10 ...

    Text Solution

    |

  9. Two concentric coils of 10 turns each are placed in the same plane. Th...

    Text Solution

    |

  10. A chain is held on a frictionless table with 1//n th of its length han...

    Text Solution

    |

  11. The radioactive isotope X with a half-life of 10^(9) decays to Y which...

    Text Solution

    |

  12. One end of a spring of force constant K is fixed to a vertical wall an...

    Text Solution

    |

  13. A given quantity of a ideal gas is at pressure P and absolute tempera...

    Text Solution

    |

  14. Two plano-convex lenses of focal lengths 20cm and 30cm are placed toge...

    Text Solution

    |

  15. A smooth rod OP is fixed vertically. A disc of mass m and radius R is ...

    Text Solution

    |

  16. The transfer characteristic curve of a transistor, having input and ou...

    Text Solution

    |

  17. A massless rod BD is suspended by two identical massless strings AB an...

    Text Solution

    |

  18. Unpolarized light of intensity I is incident on a system of two polari...

    Text Solution

    |

  19. A particle is projected towards the north with speed 20 m//s at an ang...

    Text Solution

    |

  20. In the following arrangement, the system is initially at rest. The 5-k...

    Text Solution

    |