Which quantity remains constant when a charged parallel-plate capacitor is first…
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
Which quantity remains constant when a charged parallel-plate capacitor is first disconnected from its battery and then has its dielectric slab slowly removed?
(a) Electric potential difference between the plates
(b) Charge on each plate
(c) Capacitance of the capacitor
(d) Electrical energy stored in the capacitor