The electric flux linked with the closed surface in Nm ^2 C ⁻¹ is ( ₀=8.85 10⁻¹² C ^2 ~N ⁻¹ ~m ⁻² )

Step-by-step solution

Electric flux, = q ₀ where q= total charge enclosed by closed surface q=(2.35+5+2-0.5) Cq=(2.35+5+2-0.5) C = q ₀ = 8.85 C 8.85 10⁻¹² C ^2 ~N ⁻¹ ~m ⁻² =10¹² Nm ^2 / C