In the following figure, how many coulombs of charge pass through the meter X when the switch S is closed.

Explanation

Data supplied,
`C_(1)=C_(2)=C_(3)=20muF =20 xx 10^(-6)F, V=460V`
`C=C_(1)+C_(2)+C_(3)=60 xx 10^(-6)F`
Charge `Q=CV=60 xx 10^(-6) xx 460=27.6mC`