Hello,
I'm new to electronics. I have what seems a silly question to you guys.
With respect to the picture attached, how would I inject, say, another amp through the resistors indicated by the additional power supply, whilst maintaining a voltage rise accross them as though there was no additional power supply (i.e. 4V)?
Would I need to reduce the resistance in this section by 1/3 and apply 4V at the additional supply? Or, must the additional supply be greater than 4V by a value proportional to the increase in current (with respect to the resistance)?
If the resistors in this section must be changed, how will it affect the current supplied from the 12V source?
Could I please get some basic calculated figures for this example?
Thanks in advance
I'm new to electronics. I have what seems a silly question to you guys.
With respect to the picture attached, how would I inject, say, another amp through the resistors indicated by the additional power supply, whilst maintaining a voltage rise accross them as though there was no additional power supply (i.e. 4V)?
Would I need to reduce the resistance in this section by 1/3 and apply 4V at the additional supply? Or, must the additional supply be greater than 4V by a value proportional to the increase in current (with respect to the resistance)?
If the resistors in this section must be changed, how will it affect the current supplied from the 12V source?
Could I please get some basic calculated figures for this example?
Thanks in advance