Question

The number of 2 micro Faradays. 400 V capacitors needed to obtain a capacitance value of
1.5 micro Faradays rated for 1600 V.​

Answer 1

to get 1600V you need 4 in series. a series of 4*2uf = 2/4 uf = 0.5uF you need 3 of these

3*4 = 12