C-11-Q090mediumsingle_mcq1 W=?1 \text{ W} = ?1 W=?a1 V×1 A1 \text{ V} \times 1 \text{ A}1 V×1 Ab1 V/1 A1 \text{ V}/1 \text{ A}1 V/1 Ac1 J/1 V1 \text{ J}/1 \text{ V}1 J/1 Vd1 A×1 Ω1 \text{ A} \times 1 \text{ Ω}1 A×1 Ω