answersLogoWhite

0

A 75 watt light bulb consumes 75 watt every hour if left on continuously.

You electric company charges by the kilowatt hour. So since 75 watts = .075KW x 48 hours you would use 3.6 KWhrs. If you are paying about 12 cents per KWhr it would cost you about 42 cents.

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

What is the formula to calculate how much a light bulb uses?

The formula to calculate the energy usage of a light bulb is Power (Watts) x Time (hours) = Energy Used (Watt-hours). For example, a 60-watt light bulb used for 5 hours would consume 300 Watt-hours of energy.


How you can calculate how much energy is used by a light bulb?

from its power if it is 100 watt so it produces 100 joule per second but this includes all energy produced by the lamp (light/heat energy) Their is a formula E=h x v, E=energy, v=frequency, and h=the constant I think


What type of energy is when you plug in a light bulb?

To plug it in, you use your muscle energy. When current flows through the bulb,electrical energy converted to the heat and light energy in the bulb.


What powers a light bulb?

The energy used by a lightbulb in kWh can be calculated from the voltage across the bulb, the current through the bulb, and the number of hours of operation of the bulb. energy = voltage * current * hours / 1000


When a light bulb is glowing which form of energy goes into the bulb Which form of energy leave it?

The energy that goes in is electrical energy; the energy that leaves it is visible light, as well as heat.


When energy runs through a light bulb what kind of energy does the light bulb produce?

A light bulb uses electrical energy, and produces light, as well as heat.


Is a light bulb an energy source?

No.it uses energy sources (electrical energy to light up


What form of energy does a light bulb?

A light bulb converts electrical energy into light energy and heat energy.


What transformations occur in a light bulb?

In a light bulb, electrical energy is transformed into light energy and heat energy.


What is most of the energy produced by a light bulb?

Most of the energy in a light bulb is heat energy.


What energy occurs in the light bulb?

light and heat energy occur in a light bulb when it is turned on.


How much energy does a 100 watt light bulb use if it is left on all day?

A 100 watt light bulb uses 2.4 kilowatt-hours of energy if it is left on for 24 hours straight (100 watts x 24 hours = 2400 watt-hours = 2.4 kilowatt-hours).

Trending Questions
How do you purify contaminated cultures? Is true if there is voltage in circuit there must be electrons flowing through the circuit.? In the field of research the strong incentive comes from-----? In which of the ways does the perspiring help the body to maintain homeostasis? What human characteristics does Jason give to his stammer and to what effect? Is Neptune is usually the eight planet outward from the sun? What used to live in the southwestern US when it died minerals replaced the wood fibers inside of it what is it? A graph that demonstrates the amount of substance that dissolves in a given quantity of solvent at specified conditions? How can cell classification be useful in identifying organisms? What is the layer that contains the gas called ozone? Suppose that marine scientists have collected data showing that oceans have become cooler in recent years. This decrease in temperature would reflect a decrease in thermal energy stored in the ocean.? If water freezes at 273 Kelvin and 32 F and it boils at 373 K and 212 F how do you solve for the linear relationship between the Kelvin and Fahrenheit temperature scales? Which would most likely be used by ribosomes to complete protein synthesis? Mount Rainier date of most destructive eruption? Most wind erosion is caused by? How are homogeneous and heterogenous mixtures alike? Plantes orbit the sun? What continent is the red square located? What is the melting and boiling point of carbon-14? Why is tarmac warm?