For the following circuit: 252 www 4Ω www t=0 9 V 10 μF
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.
For the following circuit: a. What is the time constant? For t>0, what is the voltage across the capacitor as a function of time? b. What is the voltage at one time constant? c. What is the voltage across the capacitor at infinity?
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