A science-fair radio uses a homemade capacitor made of two 50 {rm{cm}} times 50 {rm{cm}} sheets of aluminum foil separated by a 0.30-mm-thick sheet of paper. Assume dielectric constant of paper is 3.0.

What is its capacitance?

Express your answer using two significant figures.

Answer rating: 100% (QA)

Answer C 50 x er x eo x Ad W... View the full answer