In an AC circuit, the voltage is given by V = (100-j50) volts and the current in the circuit is I = (3-j4) Ampere. Calculate the real and reactive power in the circuit. Select one: Oa. Not on the list b. 500 W, -250 VAR c. 500 W, +250 VAR d. 250 W, +500 VAR e. 250 W, -500 VAR

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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.