Question

Q1) Relation btwnkilowatt hour & watt hour
Q2) Relation btwnkilowatt hour & joule
Q3) Define electron volt
Q4) Relation btwn electron volt & joule

Answer 1

$$\begin{gathered} Answer \\ 1kilowatthour=1000\times watthour \\ 1kilowatthour=3.6\times {10}^{6}joule=3.6MJ \\ electronvolt=\mathrm{a}unitofenrgyequaltotheworkdoneonanelectroninaccelerating \\ itthrough\mathrm{a}potentialdiffrenceofonevolt. \\ 1electronvolt=1.60217\times {10}^{-19}joules \end{gathered}$$