a dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at f

Question

A dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at full-load current of 1a.its output resistance & load regulation ,respectively are

Options:

A . 5 Ω & 20 %

B . 25 Ω & 20 %

C . 5 Ω & 16.7 %

D . 25 Ω & 16.7 %

Answer: Option B

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