Name the commercial unit of electrical energy. Convert it into joule. What is the other name of the commercial unit?
(N/A) The commercial unit of electrical energy is kilowatt-hour $(kWh)$.
$1 kWh = 1 kW \times 1 \text{ hour}$
$= 1000 W \times 3600 s$
$= 1000 J/s \times 3600 s$
$= 3.6 \times 10^6 J$
It is also known as the Board of Trade Unit $(BOTU)$.
$1 kWh = 1 kW \times 1 \text{ hour}$
$= 1000 W \times 3600 s$
$= 1000 J/s \times 3600 s$
$= 3.6 \times 10^6 J$
It is also known as the Board of Trade Unit $(BOTU)$.
Explore More
Similar Questions
State Joule's law of heating.
Easy
View SolutionThe electrical appliance having higher power draws a larger current.
Easy
View Solution$(a)$ What material is used in making the filament of an electric bulb?
$(b)$ Name the characteristics which make it suitable for this.
$(b)$ Name the characteristics which make it suitable for this.
Easy
View SolutionIn an electrical circuit,three incandescent bulbs $A, B$ and $C$ of rating $40 \, W, 60 \, W$ and $100 \, W$ respectively are connected in parallel to an electric source. Which of the following is likely to happen regarding their brightness?
Medium
View SolutionWhy are alloys commonly used in electrical heating devices?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo