One Kilowatt hour of electrical energy is the same as

• A.  \[36\times 105\,\,Watts\]
• B.  \[36\times 105\,\,ergs\]
• C.  \[\varepsilon {{F}_{X}}=0,\,\,\varepsilon {{F}_{y}}=0,\,\,\varepsilon M\ne 0\]
• D.  \[36\times 105\,\,B.T.V\]