A delta$-$connected source delivers power to a delta$-$connected

load, as shown in $($Figure $1).$ The rms line$-$to$-$line voltage at the

source is V$\_($abrms$)=440$V$.$ The load impedance is Z$\_(\backslash$Delta $)=20-$j$3.$

Part A

Find I$\_($aA$).$

Enter your answer using polar notation. Express argument in degrees.

Part B

Find V$\_($AB$).$

Enter your answer using polar notation. Express argument in degrees.

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Part C

Find I$\_($AB$).$

Enter your answer using polar notation. Express argument in degrees.

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Figure

Part D

Find the total power delivered to the load.

Express your answer to three significant figures and include the appropriate units.

P$\_($load $)=$