Question

While working on a physics project at school
physics lab, you require a 4 uF capacitor in a
circuit across a potential difference of 1 kV.
Unfortunately, 4 uF capacitors are out of stock in
your lab but 2 uF capacitors which can withstand
a potential difference of 400 V are available in
plenty. If you decide to use the 2 uF capacitors
in place of 4 uF capacitor, minimum number of
capacitors required are
(2) 18
(1) 16
(3) 20
(4) 12
​

Answer 1

Explanation:

the answer is 3)20

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