WBCS.LIVE practice question

A light bulb working on a 18V battery draws a current of 3A. What will be the resistance of the bulb?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 6 Ω
  2. 2 Ω
  3. 4 Ω
  4. 3 Ω

Correct answer and explanation

Correct answer: 6 Ω