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. $1\,A$

Answer 1

Answer: (A)

$1.7\,A$

Answer 2

Applying Kirchhoff's first law,
$1 = 2 + 2 - 1 - 1.3 = 1.7\, A$