Home
Class 10
PHYSICS
If a bulb of 60 W is connected across a...

If a bulb of 60 W is connected across a source of 220 V, find the current drawn by it.

Text Solution

Verified by Experts

Data : P=60 W, V=220 V, I= ?
P=VI
`therefore I=P/V =(60W)/(220 V) =3/(11) A=0.2727A`
The current drawn by the bulb
`= (3)/(11) A =0.2727 A`
Promotional Banner

Topper's Solved these Questions

  • EFFECTS OF ELECTRIC CURRENT

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Numerical problems for Practice|15 Videos

  • EFFECTS OF ELECTRIC CURRENT

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Distinguish between the following :|3 Videos

  • DISTINGUISH BETWEEN THE FOLLOWING

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Animal Classification|1 Videos

  • EXPLANATION AND GIVING CONCEPTS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise ANIMAL CLASSIFICATION|2 Videos

Similar Questions

Explore conceptually related problems

A bulb of 100 W is connected across a source of 200 V . Find the current drawn by it .

A bulb of 40 W is connected across a source of 220 V . Find the resistance of the bulb.

A bulb of 60 W is connected across a source of 240 V. Find the resistance of the bulb.

A 100W bulb is connected to an AC source of 220V , 50Hz . Then the current flowing through the bulb is

A resistance of 40 Omega is connected to an source of 220 v, 50 Hz. Find the (i) rms current (ii) maximum instantaneous current in resistor.

In an electric circuit, there is a capacitor of reactance 100Omega connected across teh source of 220V. Find the displacement current.

(a) Define Electric power. An electrial device of resistance R is connected across a source of voltage V and draws a current I. Derive an expression for power in terms of current and resistance. (b) Tow electric bulbs rated 100W , 220V and 60W, 220V are connected in parallel to an electric mains of 220V . Find the current draw by the bulbs form the mains.

A tube light of 60 V, 60 W rating is connected across an AC source of 100 V and 50 Hz frequency. Then,

NAVNEET PUBLICATION - MAHARASHTRA BOARD-EFFECTS OF ELECTRIC CURRENT -Numerical problems
  1. An electric is connected to a source of 250 volts. The current passing...

    Text Solution

    |

  2. If a bulb of 60 W is connected across a source of 220 V, find the cur...

    Text Solution

    |

  3. A bulb of 40 W is connected across a source of 220 V . Find the resis...

    Text Solution

    |

  4. Heat energy is being produced in a resitance in a circuit at the rate ...

    Text Solution

    |

  5. If the current passing through a bulb is 0.2 A and the power of the bu...

    Text Solution

    |

  6. Two tungsten bulbs of wattage 100 W and 60 W power work on 220 V poten...

    Text Solution

    |

  7. Two tungsten bulbs of power 50 W and 60 W work on 220 V potential diff...

    Text Solution

    |

  8. An electric iron rated 750 W is operated for 2 hours/day. How much ene...

    Text Solution

    |

  9. Who Will spend more electrical energy ? 500 W TV set in 30 mins, or 60...

    Text Solution

    |

  10. If a TV of rating 100 W operates for 6 hours per day, find the number ...

    Text Solution

    |

  11. An electric appliance of rating 300 W is used 5 hours per day in the m...

    Text Solution

    |

  12. A washing machine rated 300 W operates one hour/day. If the cost of a ...

    Text Solution

    |

  13. An electric iron of 1100 W is operated for 2 hours daily. What will be...

    Text Solution

    |

  14. Find the heat produced in joule if a current of 0.1 A is passed throu...

    Text Solution

    |

  15. Calculate the heat produced in calorie when a current of 0.1 A is pass...

    Text Solution

    |

  16. A potential differnce of 250 volts is applied across a resistance of 1...

    Text Solution

    |

  17. A potential differnce of 100 V is applied across a resistor of resista...

    Text Solution

    |

  18. A potential differnce of 100 V is applied across a resistor of resista...

    Text Solution

    |