Question #3 Imagine you have a Buzzer BZ1 with a resistance of 5600 and two lamps L1 and L2 with a resistance of 2002 each connected in series to a Battery of 6 Volt as shown in the diagram below 6V + BZ1 - 560 Ohms. L1 20 Ohms L2-20 Ohms Calculate the power of the Buzzer BZ1, the Lamps L1 and L2 and the power of the Battery

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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.