E7D12 - Amateur Extra Class

E7D12 : What is the dropout voltage of a linear voltage regulator?
A Minimum input voltage for rated power dissipation
B Maximum output voltage drop when the input voltage is varied over its specified range
C Minimum input-to-output voltage required to maintain regulation
D Maximum that the output voltage may decrease at rated load
Correct Answer: Minimum input-to-output voltage required to maintain regulation