Multiple choice general knowledge science & technology

3 Resisrtors of value 30k are in parallel. total resistance is

  1. 300k

  2. 90k

  3. 10k

  4. 33k
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C Correct answer
Explanation

For three identical resistors in parallel, the equivalent resistance is R/n where n is the number of resistors. Here: 30kΩ / 3 = 10kΩ. Series would add them (90kΩ), and the other options (300kΩ, 33kΩ) are not parallel combinations of equal resistors.

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