two large circular metal plates are parallel and nearly touching, only 2.6 mm apart. the two plates are connected to the opposite terminals of a 9.0 v battery. (a) what is the average electric field strength in the space between the plates? give your answer in volts/meter. 3462 correct: your answer is correct. v/m (b) what is the electric force on a 75.0 nc charge located halfway between the two plates? give your answer in micronewtons.