(3)

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Circuit current is $\"\"$ .

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From the results of (1) and (2):

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$\"image\"$ and $\"image\"$ .

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\ \ $\"\"$ .

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$\"\"$ .

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Find the total current of the circuit in $\"\"$ .

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$\"\"$ .

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Find the total current of the circuit in $\"\"$ .

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$\"\"$

\

\

$\"\"$ .