Question 39
Current ElectricityIn the above diagram, a voltage V is applied across the terminals P and Q. The voltage across the 1 ohms resistor is
- A.V/8
- B.V/4
- C.V/3
- D.V/2
Show the answer and explanation
Answer: C (V/3)
Explanation
The two 4 Ω resistors in parallel give 2 Ω, in series with 1 Ω: total 3 Ω. The 1 Ω resistor takes 1/3 of the voltage: V/3.