Four Series Resistors Are Connected Across a 30 V Source

question 56

Multiple Choice

Four series resistors are connected across a 30 V source and carry 0.125 mA. If R1 = 10 kΩ, R2 = 33 kΩ and R3 = 47 kΩ, what is the value of R4?

• A)150 Ω
• B)1.5 kΩ
• C)150 kΩ
• D)15 kΩ