7. Four resistors R₁=8.0 2, R₂ =3.0 2, R3=9.0 2, and R4 12.0 2 are mounted as shown in the figure. The voltage of the battery is V 22 Volts. What is the current in the R4 resistor? Amp R₁ www. R4 -www- wwwwww R₂ R3

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