Physics WAEC

Calculate the current (I) in the diagram shown below. (Neglect the internal resistance of the cell)

A. 4.0A
B. 2.0A
C. 1.0A
D. O.5A
E. 0.1A.

Correct Answer:

Option C – 1.0A

Explanation

R = 2 + 2 = 4 Ω; 1/R = ¼ + ¼ = 2/4; R = 2Ω
∴ I = V/R = 2/2 = 1A

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