Two equal capacitors C₁=C₂ are connected as shown. Initially C₁ is uncharged and C₂ carries charge Q₀ with energy U₀. After closing switch S, charges, voltages and energies become Q₁, Q₂; V₁, V₂; U₁, U₂. Which statements are correct?
Select all that apply

Question

Two equal capacitors C₁=C₂ are connected as shown. Initially C₁ is uncharged and C₂ carries charge Q₀ with energy U₀. After closing switch S, charges, voltages and energies become Q₁, Q₂; V₁, V₂; U₁, U₂. Which statements are correct?

Select all that apply

G1 Physics · Accepted Answer

After closing S the equal capacitors are in parallel, so they have equal voltage and equal capacitance; therefore Q₁=Q₂ and U₁=U₂. Charge conservation gives Q₁+Q₂=Q₀, hence each is Q₀/2. Thus all four statements are correct.

Two equal capacitors C₁=C₂ are connected as shown. Initially C₁ is uncharged and C₂ carries charge Q₀ with energy U₀. After closing switch S, charges, voltages and energies become Q₁,Q₂; V₁,V₂; U₁,U₂. Which statements are correct?