-The purpose of Block 4 in Figure 16-2 is to ________.
A)keep the dc output voltage constant as the load changes
B)adjust the output voltage to the correct ac value
C)make sure that the fuse will not blow
D)maintain a constant output current when the load current changes

Question

-The purpose of Block 4 in Figure 16-2 is to ________.
A)keep the dc output voltage constant as the load changes 
B)adjust the output voltage to the correct ac value 
C)make sure that the fuse will not blow 
D)maintain a constant output current when the load current changes

Quizplus · Accepted Answer

Block 4 is likely a voltage regulator, which is used to keep the DC output voltage constant despite changes in the load.

-The Purpose of Block 4 in Figure 16-2 Is to ________