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25 May, 19:56

Calculate the current in a circuit whose total resistance is 4 ohms and whose emf is 12 volts.

0.3

3

5

50

+3
Answers (1)
  1. 25 May, 20:02
    0
    V = I R

    12 = I x 4

    I = 12 : 4 = 3 A
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