Answered

Find the best solutions to your questions at Westonci.ca, the premier Q&A platform with a community of knowledgeable experts. Get quick and reliable solutions to your questions from a community of seasoned experts on our user-friendly platform. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform.

A 60 W light bulb at 120 V is left on in your house to prevent burglary, and the power charges 10 cents per kilowatt-hour, how much will it cost to leave the bulb on for 30 days?

Sagot :

snehashish65

4.22 dollars is the cost to leave the bulb on for 30 days.

What is electrical energy?

Electrical energy is the power an atom's charged particles have to cause an action or move an object. The movement of electrons from one atom to another is what results in electrical energy.

There is a dissipation of electrical energy in the resistor when an electric current flows through it. It depends on the resistance of the resistor and the applied voltage.

The expression of the power dissipation is as follows ;

P=[tex]\frac{V^2}{R}[/tex]

V is the applied voltage.

R is the resistance.

Given

P  = 60 W

30days * 24h/day = 720 Hours kW * h

Therefore by putting the values in the given formula,

= (60/1000)kW * 720h

= 43.2 kWh

Hence,

The cost is  42.2 kWh42.2 kWh x 0.1

= 4.22 dollars

Learn more about electrical energy here:

https://brainly.com/question/1580875

#SPJ2

We hope this information was helpful. Feel free to return anytime for more answers to your questions and concerns. We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. Thank you for choosing Westonci.ca as your information source. We look forward to your next visit.