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an npn transistor connected in such a way behaves as an amplifier but it doesnamp;#39;t always amplify there are certain conditions for that right so in this example weamp;#39;ll explore this in great detail weamp;#39;ll understand under what conditions our transistor acts as an amplifier and under what condition it doesnamp;#39;t so weamp;#39;ll explore the complete behavior of a transistor in this video now i think the best way to understand these behaviors is to look at a practical circuit and the difference between this circuit and a practical one is that a real circuit would have some resistors over here we include the resistors to limit the current so that the current wonamp;#39;t increase a lot and our transistors wonamp;#39;t blow up and so let me introduce a resistor over here in this uh in this wire over here and iamp;#39;m also going to replace this schematic figure with the circuit symbol of a transistor so letamp;#39;s quickly do that so let me bring in the circui