The circuit shown Figure has a current of 2.5 mA. Find the following quantities a. The total resistance of the circuit. b The value of the unknown resistance, R2. c. The voltage drop across each resistor in the circuit. d. The power đissipated by each resistor in the circuit R-33 k0 E-45 V 7-25MA Ry 56k0

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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.