Question

Two parallel-plate capacitors, 20 uF and 30 uF are
charged to 30 V and 20 V respectively. If their plates
with same type of charges are connected together,
then find the common PD between the plates of the
capacitors.
​

Answer 1

common potential difference is:

V

c

=

C

1

+C

2

C

1

V

1

+C

2

V

2

V

c

=

20+30

(20×30)+(30×20)

=

50

1200

=24V

Answer 2

Answer:

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