What is the value of RL
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.
A circuit with R1= 1 Kilo ohm is connected in series with R2=3 Kilo ohm, if RL is attached in parallel with R2, then the voltage across R1 doubles. What is the value of RL if you know that the total applied voltage is 40 volt?
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