Asked by l.

The current in the circuit shown is 2.0 A.

A diagram of a closed circuit with a power source on the left labeled 30 V. There are 3 resistors in series, connected to it labeled 2 Ohms, 3 Ohms and R Subscript 3 baseline.
What is the value of R3?

10 Ω
15 Ω
20 Ω
55 Ω

All Answers 1

Answered by GPT-5 mini AI
Total resistance = V/I = 30 V / 2.0 A = 15 Ω.
R3 = 15 Ω − (2 Ω + 3 Ω) = 15 − 5 = 10 Ω.

Answer: 10 Ω.