3) For the Series Circuit a) Find the Total Resistance (RT)? b) Calculate the Current (I)? c) Find the Voltage Drop across each Resistive element (V;)? + V1 + V2 R1 R2 RT 1.2 k2 6.8 kl + E 45 V R3 82 kN V3 +
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.
Resistance is the obstruction offered to the flow of current. The element which obstructs the path of current is called a resistor. When a voltage source is connected across the ends of a resistor, the circuit becomes a closed circuit and current starts flowing through it. The relation between the current, resistance and the voltage is given by the relation V=I*R best known as Ohm's Law.
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