Home
Class 12
PHYSICS
An inductance of 0.1 henry is connected ...

An inductance of 0.1 henry is connected with D.C. source of 120 volt. If the current flowing in the inductive coil is 0.5 amp, then resistance of the coil is:

A

120 `Omega`

B

240 `Omega`

C

24 `Omega`

D

12 `Omega`

Text Solution

Verified by Experts

The correct Answer is:
B

`R=V/i=120/0.5=240Omega`
Promotional Banner

Topper's Solved these Questions

  • NEET DRILL 3

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos
  • NEET DRILL TEST 5

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A coil having a resistance of 50.0 Omega and an inductance of 0.500 henry is connected to an AC source of 110 volts , 50.0 cycle//s. Find the rms value of the current in the circuit.

A coil of inductance 0.2 H and 1.0 W resistance is connected to a 90 V source. At what rate will the current in the coil grow at the instant the coil is connected to the source?

A current of 6 A flows in a coil when connected to a dc source of 18 V. If the same coil is connected to an ac source of 20 V, 50 rad/s, a current of 4 A flows in the circuit. The inductance of the coil is 10x mH. Find out the value of x.

When a coil is connected to a D.C. source of e.m.f. 12 volt, then a current of 4 ampere flows in it. If the same coil is connected to a 12 volt, 50 cycle/s A.C. source, then the current flowing in it is 2.4A . The self inductance of the coil will be

Inductance of a coil is 5 mH is connected to AC source of 220 V, 50 Hz. The ratio of AC to DC resistance of the coil is

A coil having a resistance of 50.0 Omega and an inductance of 0.5 H is connected to an AC source of 110 , v, 50Hz . If the frequency of the AC is decreased by a factor of 2 , then the rms current

A coil resistance R and inductance L is connected to a battery of emf E volt. The final current in the coil is

A coil of inductane 0.2 henry is connected to 600 volt battery. At what rate, will the current in the coil graw when circuit is completed ?

A coil draws a current of 1.0 ampere and a power of 100 watt from an A.C. source of 110 volts and (5sqrt22)/pi hertz. Find the inductance and resistance of the coil.

A coil having an inductance of 1//pi henry is connected in series with a resistance of 300 Omega . If 20 volt from a 200 cycle source are impressed across the combination, the value of the phase angle between the voltage and the current is :

NEET MAJOR TEST (COACHING)-NEET DRILL 4 -PHYSICS
  1. Electric field at a distance x from the origin is given as E =(100N-m^...

    Text Solution

    |

  2. A long solenoid is formed by winding 20 turns/cm. The current necessar...

    Text Solution

    |

  3. An inductance of 0.1 henry is connected with D.C. source of 120 volt. ...

    Text Solution

    |

  4. Unpolarized light of intensity l0 is incident on a set of 3 polaroids ...

    Text Solution

    |

  5. Let T be the mean life of a radioactive sample. 75% of the active nucl...

    Text Solution

    |

  6. Dimensions of a block are 1 cm xx 1cm xx 100cm. If specific resistance...

    Text Solution

    |

  7. A circular loop of radius r, carrying a current i, is placed in a radi...

    Text Solution

    |

  8. If a direct current of value a ampere is superimposed on an alternativ...

    Text Solution

    |

  9. Two identical metal plates show photoelectric effect. Light of wavelen...

    Text Solution

    |

  10. A parent nucleus .n^mP decays into a daughter nucleus D through alpha ...

    Text Solution

    |

  11. A cell of emf epsilon and internal resistance (r) is connected in seri...

    Text Solution

    |

  12. Two concentric coplanner coils of turns n1 and n2 have radii ratio 2 ...

    Text Solution

    |

  13. The resonant frequency of the L-C circuit is f0 before insertion of th...

    Text Solution

    |

  14. For intensity I of a light of wavelength 5000 Å the photoelectron satu...

    Text Solution

    |

  15. In a common emitter amplifier, using output reisistance of 5000 ohm an...

    Text Solution

    |

  16. AB is a potentiometer wire of length 100 cm and its resistance is 10 O...

    Text Solution

    |

  17. Our earth behaves as it has a powerful magnet within it. The value of ...

    Text Solution

    |

  18. A coil has a resistance of 10 Omega and an inductance of 0.4 henry. It...

    Text Solution

    |

  19. An electron of mass m when accelerated through a potential difference ...

    Text Solution

    |

  20. In the following circuit the equivalent resistance between A and B is ...

    Text Solution

    |