HI everybody! i have some question and need some help. i have built 4 lamps circuit with 12v supply. Each of them 21w and 12v, except one ,it's rated 10w. here is my setup: i connect lamps in parallel, then set the adjustable power supply to 12V range. Then switch on my circuit, somehow it's drop to 10V and read 4.33A. Before connect my circuit i do some math.
for ohm's law R=1.972Ω I=6.085 P=73.008W then connect my clamp on meter it's read 7.5A is this normal, and another question why drop from the 12V to 10V sorry my bad english
thank's
for ohm's law R=1.972Ω I=6.085 P=73.008W then connect my clamp on meter it's read 7.5A is this normal, and another question why drop from the 12V to 10V sorry my bad english
thank's