Q: 50 (NDA-II/2010)

Capacity of a parallel plate condenser can be doubled by I. doubling the areas of the plates. II. doubling the distance of separation between the plates, III. reducing the distance of separation between the plates to half the original separation. IV. doubling both the areas of the plates and the di stance of separation between the plates.
Select the correct answer using the code given below
question_subject: 
Science
question_year: 
2010
question_exam: 
NDA-II
stats: 
0,64,104,64,64,32,8