Question

The figure below shows current in a part of electric circuit. The current I is ______.

Options

• 1.7 A

• 3.7 A

• 1.3 A

• 1 A

Answer 1

The figure below shows current in a part of electric circuit. The current I is 1.7 A.

Explanation:

According to Kirchhofrs first law,

At junction A, I_AB = 2 + 2 = 4 A

At junction C, I = I_BC - 1.3 = 3 - 1.3 = 1.7 A