Question

Figure shows currents in a part of an electric circuit, then current I is

• A. 1.7 A
• B. 3.7 A
• C. 1.3 A
• D. 1A

Answer 1

Answer: (A)

1.7 A

Answer 2

; Applying Kirchhoff’s first law,

$I = 2 + 2 - 1 - 1.3 = 1.7A$