12. Determine the optimum frequency of operation of an antenna if it has -3 dB frequencies of 350 MHz and 560 MHz and percent bandwidth of 51.2195%. * O 420 MHz 410 MHz 400 MHz O 390 Mhz 13. Compute for the receive power gain given that the frequency of operation is 750 MHz and capture area is 0.8 m^2. * 20 O None of the choices O 30 pi O 17.9818 dB

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Q: 2- The effect of increasing Vs.

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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.