Multiple choice general knowledge science & technology

DC power supply has 0 frequency ?

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

DC (Direct Current) power supply has zero frequency because the current flows in one direction only, unlike AC (Alternating Current) which periodically reverses direction. Frequency is the number of cycles per second, and DC has no oscillation or cycles.

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