2.a. Find the total resistance between 'a' and 'b' for the circuit given below. 20 Ω www 162 a Rab 18 2 20 2 b ww
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.
Given:
Solving the parallel connection as shown in orange color:
Now, the reduced circuit is shown below:
From the above figure, it is clear that resistors are in series. This series combination is in parallel combination with resistance. This equivalent resistance will be:
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