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Question : 17
Total: 26
(i) Find equivalent capacitance between A B 2 µ F
(ii) If a dc source of7 V AB
(ii) If a dc source of
Solution:
(i) Calculation of equivalent capacitance
(ii) Calculation of charge and energy stored
(i) CapacitorsC 2 , C 3 C 4
∴ C 234 = C 2 + C 3 + C 4
∴ C 234 = 6 µ F
CapacitorsC 1 , C 234 C 5
=
+
+
=
+
+
=
µ F
C e q =
µ F
(ii) Charge drawn from the source
Q = C e q V ,
=
× 7 µ C = 6 µ C
Energy stored
U =
=
= 21 µ J
(ii) Calculation of charge and energy stored
(i) Capacitors
Capacitors
(ii) Charge drawn from the source
Energy stored
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