![]() The resistance of the input circuit is low, whereas the resistance of the output circuit is very high. Due to the input and output resistance of the circuit, voltage amplification is possible instead of current gain. input and output signals are of the same form and no change occurs in their phase). As the change in collector current is nearly the same as in emitter current and as the resistance of collector is far greater than emitter’s, therefore huge voltage drop occurs on load, due to which a several times the higher signal is received on output)Īs positive input signals produce positive output signals, therefore, no phase reversal exists between input and output signals on such a circuit (i.e. With an increase in collector current, drop-in load resistor R C also increases. Due to an increase in emitter voltage, emitter current and collector current also increase. ![]() as forwarding bias increase, emitter voltage also increase as a result. During the negative half-cycle, the above-mentioned process gets inversed (i.e. Thus, signals’ positive half cycle amplifies on output, as has been displayed in the diagram.
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