The total charge delivered by the device is 450.0 coulombs. This corresponds to approximately 2.81 x 10^21 electrons flowing through the device in 30 seconds. The calculation uses the relationship between current, time, and the charge of a single electron.
;
Urbanization has affected the extended family system in Ghana by reducing family cohesion, shifting roles, increasing economic pressures, changing values, and encouraging independence among younger generations. ;