menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
An 100W light bulb is on 6 hours work out the energy (kWh) used and the cost of it (1kWh = £0.1359) with working out please
Ask a Question
Questions
Unanswered
Tags
Ask a Question
An 100W light bulb is on 6 hours work out the energy (kWh) used and the cost of it (1kWh = £0.1359) with working out please
asked
May 16, 2017
71.5k
views
2
votes
An 100W light bulb is on 6 hours work out the energy (kWh) used and the cost of it (1kWh = £0.1359) with working out please
Physics
middle-school
Nir Golan
asked
by
Nir Golan
8.4k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
3
votes
1,000 W = 1 kW
100 W = 0.1 kW
(0.1 kW) x (6 h) =
0.6 kWh
<=== energy
(0.6 kWh) x (£0.1359/kWh) =
£0.0815
<=== cost of it
Lasitha Yapa
answered
May 22, 2017
by
Lasitha Yapa
8.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Nov 7, 2024
159k
views
Show that 1Kwh is equal to 3.6MJ of energy.
Pranav
asked
Nov 7, 2024
by
Pranav
8.6k
points
Physics
high-school
1
answer
5
votes
159k
views
asked
Apr 28, 2024
101k
views
What is the cost of using an electric iron rated 240V, 2000W for 10 hours if the electric energy costs 300 shillings per unit (1 unit = 1kWh)?
Maker
asked
Apr 28, 2024
by
Maker
7.5k
points
Physics
high-school
1
answer
3
votes
101k
views
asked
Aug 17, 2018
179k
views
How much would a 1kwh cost if 631kwh costs £70? show working please!!!
Jenya Pu
asked
Aug 17, 2018
by
Jenya Pu
7.8k
points
Physics
middle-school
2
answers
1
vote
179k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
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
Physical properties of minerals graphic organizer
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?
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org