Register

If a 100w bulb is used for 20 seconds how much energy does it use?​

If a 100w bulb is used for 20 seconds how much energy does it use?​
asked 207k views
3 votes
If a 100w bulb is used for 20 seconds how much energy does it use?​

asked
User Immanuel Kirubaharan
by
8.6k points

1 Answer

7 votes
Just multiply the watts by the hours . So 100 x 20 = 2000 Wh, or 2 kWh.
answered
User Gaborsch
by
8.0k points
← Prev Question Next Question →

Related questions

User Thane Plummer
asked Jun 28, 2024 229k views
An electric bulb is labeled 240v,100w how much current is taken by the bulb?
Thane Plummer asked Jun 28, 2024
by Thane Plummer
8.4k points
1 answer
2 votes
229k views
Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
what is a device that transforms thermal energy to mechanical energy
Link Copied!