An R1 of 30 Q, and an R2 of 10 Q are connected in series, and they are connected in parallel with an R3 of 40 2, and are finally connected in series with an R3 of 40 2 across the 12 V power line as shown in figure 7. How much is the total line current IT? R1 30S2 R2 1052 R3 402 두 12V R4 202

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An R1 of 30 2, and an R2 of 10 Q are connected in series, and they are connected
in parallel with an R3 of 40 Q, and are finally connected in series with an R3 of 40 2
across the 12V power line as shown in figure 7. How much is the total line current
IT?
R1
R2
1052
302
R3
402
두 12V
R4
2052
Transcribed Image Text:An R1 of 30 2, and an R2 of 10 Q are connected in series, and they are connected in parallel with an R3 of 40 Q, and are finally connected in series with an R3 of 40 2 across the 12V power line as shown in figure 7. How much is the total line current IT? R1 R2 1052 302 R3 402 두 12V R4 2052
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