The variable resistor R, in the circuit in (Figure 1) is adjusted for maximum power transfer to Ro. Suppose that v₁ = 280 V, and v₂ = 140 V. Figure VI ΤΩ ww 141A is 2002 402 m 202 www 3Ω www 1 of 1 > U2 Find the value of Ro Express your answer to three significant figures and include the appropriate units. R₁ = Value Submit Part B HA Pmax = Submit X Incorrect; Try Again; One attempt remaining Previous Answers Request Answer SHINE Find the maximum power that can be delivered to Ro Express your answer to three significant figures and include the appropriate units. μA Units Value Request Answer ? B Units

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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.