What is the equivalent capacitance for the circuit of the figure? ( Figure 1 ) E

Question

What is the equivalent capacitance for the circuit of the figure? (Figure 1) Express your answer to two significant figures and include the appropriate units.

How much charge flows through the battery as the capacitors are being charged? Express your answer to two significant figures and include the appropriate units.
What is the equivalent capacitance for the circuit of the figure? (Figure 1) Express your answer to two significant figures and include the appropriate units.

How much charge flows through the battery as the capacitors are being charged? Express your answer to two significant figures and include the appropriate units.
How much charge flows through the battery as the capacitors are being charged? Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

2 and 1.5 micro farad are in parallel so

their equivalent is 3.5 micro farad

now 3.5 micro farad is in series with 4 micro farad so their equivalent

(3.5*4)/(3.5+4) = 1.87 micro farad

equivalent capacitance for the circuit of the figure = 1.87 micro farad

total charge through battery

q = cv

q = 1.87*12 micro C = 22.44 micro coulamb ~ 22micro C

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