R1 = 100 Ohm; R4 = 1200 Ohm;
R2 = 270 Ohm; R5 = 2700 Ohm;
R3 = 1000 Ohm; Us = 12 V.
I = ?; IR3 = ?; IR4 = ?; IR5 = ?; UR3R4R5 = ?; UR1 = ?; UR2 =?.
1. The value of the parallel combination of resistors R3, R4, R5.
2. The value of the total resistance of the circuit.
3. The supply current.
4. The voltage dropped R1.
5. The voltage dropped R2.
6. The voltage dropped R345.
7. The current flowing through R3.
8. The current flowing through R4.
9. The current flowing through R5.