The Capacitive Network Shown in the Figure Is Assembled with Initially

question 319

Multiple Choice

The capacitive network shown in the figure is assembled with initially uncharged capacitors. Assume that all the quantities in the figure are accurate to two significant figures. The switch $\mathrm { S }$ in the network is kept open throughout. What is the total energy stored in the seven capacitors?

• A) \(96 \mathrm {~mJ}\)
• B) \(48 \mathrm {~mJ}\)
• C) \(144 \mathrm {~mJ}\)
• D) \(72 \mathrm {~mJ}\)
• E) \(120 \mathrm {~mJ}\)

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Definitions:

Boiling Points

The temperature at which a substance transitions from the liquid phase to the gas phase at atmospheric pressure.

Isomers

Substances that share the same molecular formula, yet differ in the arrangement of their atoms, resulting in distinct physical and chemical characteristics.

Acetylene

A colorless hydrocarbon with the formula C2H2, characterized by a triple carbon-carbon bond, used as a fuel and a chemical building block.

Molecular Dipole Moment

A measure of the charge distribution within a molecule, significant in predicting the molecule’s behavior in electric fields and solvent interactions.