Chemistry, 20.04.2021 01:50, Rogeartest4

How many cells do you need for the 2 Volt LED and for the 3 Volt LED according to the picture?PLS HELP THANK U!!

How many cells do you need for the 2 Volt LED and for the 3 Volt LED according to the picture?PLS H

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How many cells do you need for the 2 Volt LED and for the 3 Volt LED according to the picture?PLS HE...