66. A voltage regulator with a no-load output dc voltage of 12 V is connected to a load with a resistance of 10 Ω. If the load resistance decreases to 7.5 Ω, the load voltage will decrease to 10.9 V. The load current will be ________, and the percent load regulation is ________.
(a) 1.45 A, 90.8% (b) 1.45 A, 10.09% (c) 1.2 A, 90.8% (d) 1.2 A, 10.09%
Answer
Answer : (b)
Explanation
Explanation : No answer description available for this question. Let us discuss.
5555555555 65. A voltage regulator has a no-load output of 18 V and a full-load output of 17.3 V. The percent load regulation is ________. (a) 0.25%. (b) 96.1%. (c) 4.05%. (d) 1.04%.
Regulated Power Supplies » Exercise - 120. A certain regulator has a no-load voltage of 6 V and a full-load output of 5.82 V. What is the load regulation ? (a) 3.09 % (b) 2.87 % (c) 5.72 % (d) none of the above
5555555555 60. ________ regulation can be defined as the percentage change in the output voltage for a given change in the input voltage. (a) Line (b) Load (c) both (a) and (b) (d) neither (a) and (b)
5555555555 50. Voltage regulation requires ________. (a) only line regulation. (b) only load regulation. (c) a constant load. (d) load and line regulation.
Regulated Power Supplies » Exercise - 12. In an unregulated power supply, if load current increases, the output voltage ........... (a) remains the same (b) decreases (c) increases (d) none of the above