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$4.[-/4$ Points$]$

SERPSE$1027\mathrm{.}3.$OP$\mathrm{.}015.$

The ammeter shown in the figure below reads $2\mathrm{.}66$ A $.$ Find the following.

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$($i$)$

$($a$)$ current $I_1($in A$)$

A

$($b$)$ current $I_2($in A$)$

A

$($c$)$ emfE $($in volts$)$

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$($d$)$ What If$?$ For what value of $($in volts$)$ will the current in the ammeter read $1\mathrm{.}71$ A $?$

V

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