Home
Class 12
PHYSICS
A 60 volt , 10 watt lamp is to be run on...

A 60 volt , 10 watt lamp is to be run on 100 volt-60 hertz a.c. mains. Calculate if resistance is to be used instead of choke, what wil be its value?

Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENTS

    MODERN PUBLICATION|Exercise EXERCISE|201 Videos

  • CAPACITOR

    MODERN PUBLICATION|Exercise EXAMPLE|262 Videos

Similar Questions

Explore conceptually related problems

A 60 volt , 10 watt lamp is to be run on 100 volt-60 hertz a.c. mains. Calculate the inductance of the choke required

An electric lamp, which runs at 100 volt d.c. and 10 ampere current, is to be run on 220 volt - 50 cycles a.c. mains. Calculate the inductance of the required choke coil.

A heater is rated as 220 volts, 880 watts. What is the current drawn by the heater when connected to a 220V a.c. mains? Calculate the resistance of heater.

An electric device, which runs at 80 volt d.c. and consumes 10 A current , is connected to 100 vol-50 Hz a.c. supply through a choke. Calculate the inducance of the choke coil for the safe working of the device.

A 20 watt, 50 volt filament is connected in series to an a.c. mains of 250 volt - 50 hertz. Calculate the value of the capacitor required to run the lamp.

MODERN PUBLICATION-ALTERNATING CURRENTS-EXERCISE
  1. A 60 volt , 10 watt lamp is to be run on 100 volt-60 hertz a.c. mains....

    Text Solution

    |

  2. A lamp is connected in series with a capacitor to a high frequency a.c...

    Text Solution

    |

  3. An air core coil and an electric bulb are connected in series across a...

    Text Solution

    |

  4. Answer the following questions: A choke coil in series with a lamp is ...

    Text Solution

    |

  5. A lamp is connected in series with a capacitor. What will happen if d....

    Text Solution

    |

  6. Explain : voltages across L and C in series are 180^(@) out of phase, ...

    Text Solution

    |

  7. The total impedance of a circuit decreases, when a capacitor is added ...

    Text Solution

    |

  8. When an a.. Circuit with a series combination of inductance, capacitan...

    Text Solution

    |

  9. When a capacitor is connected in series LR circuit the alternating cur...

    Text Solution

    |

  10. An alternating voltage of frequency f is applied across LCR circuit. L...

    Text Solution

    |

  11. An alternating voltage of frequency f is applied across LCR circuit. L...

    Text Solution

    |

  12. Give applications of resonance in series LCR circuit.

    Text Solution

    |

  13. An capacitor C, a variable resistor R and a bulb B are connected in se...

    Text Solution

    |

  14. An capacitor C, a variable resistor R and a bulb B are connected in se...

    Text Solution

    |

  15. A capacitor with capacitance C and a coil with active resistance R and...

    Text Solution

    |

  16. An inductor L of inductance X(L) is connected in series with a bulb B ...

    Text Solution

    |

  17. An inductor L of inductance X(L) is connected in series with a bulb B ...

    Text Solution

    |

  18. As shown in figure an electric lamp having coil of negligible inductan...

    Text Solution

    |

  19. As shown in figure an electric lamp having coil of negligible inductan...

    Text Solution

    |

  20. In the circuit shown below R represents an electric bulb. If the frequ...

    Text Solution

    |

  21. Show in the figure, two electric circuits A and B. Calculate the ratio...

    Text Solution

    |