Science, asked by kococoblingsell9324, 1 year ago

Derive the SI unit of power. An electric bulb is rated 15 watts. What does it mean?What is the energy consumed in joules if it is used for 10 minutes .

Answers

Answered by p0r1

The SI unit of power is watt (W).
An electric bulb is rated 15 watts. It means that an electric bulb is consuming energy at the rate of 15 Joules/sec.
Here, P=15W
t=10 min=600sec
:.P=W/t
15=W/600
W=15×6oo=9000Joules

Previous Question

Next Question

Similar questions

English, 7 months ago

How to prepare for dps rkpuram for entrance exam of class 9? What is the syllabus?

Math, 7 months ago

(1) sin(15n+thetha)= ? (2) cos(29n-thetha)= ? (3) tan(62n-thetha)= ? (4) cot(71n-thetha)= ? (5) sec(101n-thetha)= ? (6) cosec(100n-thetha)= ? plz it's urgent ...

Computer Science, 7 months ago

Explain Basic tools required to work with HTML...

Math, 1 year ago

in a figure ABCD and DXBY are 2 parralellograms with BD as common diagonal.Prove that AYCX are also parralellograms...

Math, 1 year ago

Let P(3,2,6) be point in the space and Q be a point on the line r=(i-j+2k)+const(-3i+j+5k), then find the value of const for which the vector PQ is parallel to the plane x-4y+3z=1. thank you...

English, 1 year ago

Who was Montmorency? Why didn't he like the idea of going up the river? How did the author's opinion about Montmorency change?Three Men in a Boat ( Write in 8 lines)...

Social Sciences, 1 year ago

What is the main purpose of summarizing the conversation with the client at the end of a meeting?

Math, 1 year ago

on what date will Rs.1,950 lent on 5th January, 2011 amount to Rs. 2,125.50 at 5 per cent per annum simple interest ? if the interest on Rs. 2,400 be more than the interest on Rs. 2,000 by Rs.60 in 3 years at the same rate per cent; find the rate.