Physics

posted by .

If a light bulb draws 60 watts and I leave it on for 5 hours, how much energy has been consumed?

  • Physics -

    Energy = 60W * 5h = 300Wh.
    Energy = 0.06KW * 5h = 0.3KWh.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. natali

    A 100W light bulb is left on for 10hrs. Over this period of time how much energy is used by the bulb?
  2. physics

    A 100W light bulb is left on for 10hrs. Over this period of time how much energy is used by the bulb?
  3. p

    If a lightbulb uses 60 watts of power. If the light bulb is run for 5 hours everyday of a 30-day month how much energy did the lightbulb use?
  4. Math

    You can buy an energy-saving light bulb for $18.07, which can work for 10,000 hours. It costs you 0.8 cents to operate it for an hour. ($1=100 cents). A regular light bulb with the same intensity costs 39 cents. The light bulb can …
  5. Physics

    A special kind of light bulb emits monochromatic light of wavelength 630 nm. Electrical energy supplied to it at the rate of 60W, and the bulb is 93% efficient at converting that energy into light energy. How many photons are emitted …
  6. physics

    An oven is plugged into a 120 V electrical outlet and "cooks" the food by using a 144 ohm resistor light bulb that converts electrical energy to both light and heat energy. If the light bulb converts 75% of the electrical energy to …
  7. physics

    The Easy Bake Oven is a common toy for young children who want to emulate the process of cooking. Suppose this oven is plugged into a 120 V electrical outlet and "cooks" the food by using a 144 ohm resistor light bulb that converts …
  8. Physics

    A 100 watts light bulb has an average life of 2000 hours. How much energy does it consume over its lifetime?
  9. Physics

    A 100 watts light bulb has an average life of 2000 hours. How much energy does it consume over its lifetime?
  10. HVAC

    two HVAC technician are discussing units of energy.Technician A says that a BTU is defined as the work performed by a force of 1 neton[N] moving and object over a distance of 1 meter[M].Technician B says that that if you have a 60 …

More Similar Questions