MCQ
$Ampere - hour$ is a unit of
- ✓Quantity of electricity
- BStrength of electric current
- CPower
- DEnergy
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$[1]$ $CM$ of a uniform semicircular disc of radius $R = 2R/\pi$ from the centre
$[2]$ $CM$ of a uniform semicircular ring of radius $R = 4R/3 \pi$ from the centre
$[3]$ $CM$ of a solid hemisphere of radius $R = 4R/3 \pi$ from the centre
$[4]$ $CM$ of a hemisphere shell of radius $R = R/2$ from the centre Which statements are correct?