Question

77. Calculate the equivalent capacitance between points a and b in Figure P26.77. Notice that this system is not a simple series or parallel combination. Sug- gestion: Assume a potential difference (Delta V) between points a and b. Write expressions for (Delta V_{ab}) in terms of the charges and capacitances for the various pos- sible pathways from a to b and require conservation of charge for those capacitor plates that are connected to each other. a 4.00 (mu F) 2.00 (mu F) 8.00 (mu F) 4.00 (mu F) 2.00 (mu F) b Figure P26.77

          77. Calculate the equivalent capacitance between points
a and b in Figure P26.77. Notice that this system is
not a simple series or parallel combination. Sug-
gestion: Assume a potential difference (Delta V) between
points a and b. Write expressions for (Delta V_{ab}) in terms
of the charges and capacitances for the various pos-
sible pathways from a to b and require conservation of
charge for those capacitor plates that are connected
to each other.
a
4.00 (mu F)
2.00 (mu F) 8.00 (mu F)
4.00 (mu F)
2.00 (mu F)
b
Figure P26.77

77. Calculate the equivalent capacitance between points
a and b in Figure P26.77. Notice that this system is
not a simple series or parallel combination. Sug-
gestion: Assume a potential difference (Delta V) between
points a and b. Write expressions for (Delta Vab) in terms
of the charges and capacitances for the various pos-
sible pathways from a to b and require conservation of
charge for those capacitor plates that are connected
to each other.
a
4.00 (mu F)
2.00 (mu F) 8.00 (mu F)
4.00 (mu F)
2.00 (mu F)
b
Figure P26.77

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