A 12-ohms, a 15-ohms, and a 5-ohm resistor are connected in a series circuit with a 75-V battery. What is the current in the circuit? What are the current values of each resistor?

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Q: The source volage is 12 Volts. ASSUME THE SWITCH IS CLOSED. 2202 R1 R2 1kN R4 R3 2502

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Q: Data: R1 = 30 R1 R2 = 20 3 2 R3 = 80 U V = 7 V 7 V What is the equivalent resistance value of this…

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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.