Four resistors, R1 = 100 ohms, R2 = 250 ohms, R3 = 350 ohms, and R4 = 200 ohms are connected such that the parallel combination of R1 and R2 is connected in series with the parallel combination of R3 and R4. The series-parallel combination is then connected across a 24-V DC power supply. Find the current through R3, in amperes.
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.
Four resistors, R1 = 100 ohms, R2 = 250 ohms, R3 = 350 ohms, and R4 = 200 ohms are connected such that the parallel combination of R1 and R2 is connected in series with the parallel combination of R3 and R4. The series-parallel combination is then connected across a 24-V DC power supply. Find the current through R3, in amperes.
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