Electrical Basics

Question 1

define the name of the law I1 + I2 + I3 =0

Answer 1

law of conservation of charge

Question 2

how to calculate share of Voltage across circuit resistors

Answer 2

e.g 30 ohms & 10 ohms & 20 ohms & 40 ohms you can do 3v + 1v + 2v + 4v = 10v and for 30 ohms do 3/10 * terminal p.d