In the circuit shown, the potential difference VA VB = 41.0 V and the resistance R₁ = R₂ = R3 = R4 = 155 №. The arrows for currents IA and I indicate the direction of positive current flow. The arrows do not necessarily indicate the direction of the actual current flow at those points. Determine the current IA. IA = 0.265 IB = Incorrect Determine the current IB. 0.794 A A R₁ V. R₁ www R₂ www R₂ www

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KVL and KCL

KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.

Sign Convention

Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.