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Physics
Problem
Which expression gives the equivalent capacitance
C
e
q
C_{eq}
C
e
q
of two capacitors with capacitances
C
1
C_1
C
1
and
C
2
C_2
C
2
connected in series? a)
C
e
q
=
C
1
+
C
2
C_{eq}=C_1+C_2
C
e
q
=
C
1
+
C
2
b)
C
e
q
=
C
1
C
2
2
(
C
1
+
C
2
)
C_{eq}=\dfrac{C_1 C_2}{2\left(C_1+C_2\right)}
C
e
q
=
2
(
C
1
+
C
2
)
C
1
C
2
c)
C
e
q
=
C
1
C
2
C
1
+
C
2
C_{eq}=\dfrac{C_1 C_2}{C_1+C_2}
C
e
q
=
C
1
+
C
2
C
1
C
2
d)
C
e
q
=
C
1
+
C
2
2
C_{eq}=\dfrac{C_1+C_2}{2}
C
e
q
=
2
C
1
+
C
2
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