everyday science MCQ #50175

A 5 Ω and a 10 Ω resistor are in series across an ideal 30 V battery. What is the current?

everyday science MCQ #50175

  1. Question 1

    Q1. A 5 Ω and a 10 Ω resistor are in series across an ideal 30 V battery. What is the current?

    • A) 1 A
    • B) 2 A
    • C) 3 A
    • D) 6 A

    Answer: 2 A

    Explanation: In a series circuit, total resistance = 5 + 10 = 15 Ω, and by Ohm's law I = V/R = 30/15 = 2 A. The same 2 A flows through both resistors since they are in series.