15. Calculate V, in the circuit of Fig. 10.74 +25 mV -20 mV 15 km2 ww 30 102 m 600 k FIG. 10.74 Problems 15 and 30. 30 k12 15 k 300 ΚΩ www -4-4-4

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A: Given: The power used, P=600 W. Time, t=60 h.

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Q: 2. Find the value of lo using Mesh and Nodal Analysis. 3V(+ 6 ΚΩ ww ww 6V (-+) 12 ΚΩ 6 ΚΩ 6 ΚΩ Το 12…

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A: Given:

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Q: Determine 45 V + mesh currents using mesh analysis 8 12-2 MA LOV wy m 5452 m 102 202 m 922

A: The given circuit diagram is shown below:

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Q: Convert the following voltage ratios to dB. (a) 3000 (b) √30

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A: Since energy neither be created nor destroyed but it will change from one form to another form.

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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.