BASIC ELECTRONICS - OD1633 - LESSON 1/TASK 2
Basic equation:
E2 + E1 + EA + E3 = 0
Since E = IR, by substitution:
(I x R2) + (I x R1) + EA + (I x R3) = 0
FIGURE 29.
CORRECT DIRECTION OF ASSUMED CURRENT.
Substituting values:
(I x 10 Ohms) + (I x 5 Ohms) + (-60 volts) + (I x 15 Ohms) = 0
Combining like terms:
54
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