Answer 2_6_9

Current is 1.0 A

Voltage across R1:

V = IR = 1.0 A × 2 W = 2.0 V

Voltage across R2:

V = IR = 1.0 A × 4 W = 4.0 V

The two voltages add up to the battery voltage.

Total resistance = 2 W + 4 W = 6 W

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