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How do you calculate the power dissipated by a series linear voltage regulator?

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  1. Input voltage times input current
  2. Output voltage times output current
  3. Input-to-output voltage difference times output current

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References

  1. NCVEC 2024-2028 Amateur Extra Question Pool, E7D13 (4th errata, Feb. 4, 2026) www.ncvec.org/downloads/2024-2028%20Extra%20Class%20Question%20Pool%20and%20Syllabus%20Public%20Release%20with%204th%20Errata%20Feb%204%202026.pdf Checked 2026-10-11.
  2. NCVEC 2024-2028 Amateur Extra Question Pool, E7D12 (4th errata, Feb. 4, 2026) www.ncvec.org/downloads/2024-2028%20Extra%20Class%20Question%20Pool%20and%20Syllabus%20Public%20Release%20with%204th%20Errata%20Feb%204%202026.pdf Checked 2026-10-11.

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