Ask a Question

Define 1 Watt of power. A lamp consumes 1000 J of electrical energy in 10s. Calculate its power

← Prev Question Next Question →
0 votes
21 views
asked Mar 13, 2018 in Physics by Gautam Anand (15 points)

1 Answer

+1 vote
answered Mar 13, 2018 by Ankit Agarwal (28,847 points) ● 7 ● 31 ● 67

A body is said to have power of 1 watt if it does work at the rate of 1 joule in 1 s, 

i.e.,  1W=1J/1s

Power is given by the expression, 

Power=Work done /Time 

Work done = Energy consumed by the lamp = 1000 J 

Power=1000 / 10 = 100 Js−1 

= 100 W

← Prev Question Next Question →

Related questions

0 votes
1 answer
A 1000 MW fission reactor consumes half of its fuel in 5.00 y.
asked Jan 11, 2018 in Physics by sforrest072 (157,439 points)
0 votes
1 answer
Define 1 watt of power:
asked Oct 16, 2017 in Physics by jisu zahaan (28,760 points)

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon
~~~*****~~~

Related questions

© 2017 Sarthaks eConnect
Managed by Sarthaks Digitizing India
...