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How should we understand control the voltage, not the current ?

by Alex_Sanders
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Alex_Sanders
#1
Feb2-12, 11:18 AM
P: 80
And provide "roundabout" for spikes? I mean seriously, isn't V and A closely related? You regulate one, you end up regulate both?
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Jony130
#2
Feb2-12, 11:42 AM
P: 409
No, when you regulate the voltage you end up with constant voltage not the current.
Simply ohms law I = V/R
Despite the fact that we have a voltage which does not change, but the load current will change as load resistance is changing.
For V=10 and load resistance change from 1K to 100R causes the change in load current from 100mA to 10mA. Despite the fact that the voltage doesn't change at all.


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