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2014-08-14T03:46:32+05:30

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voltage across collector resistance of 1 k ohms = 3 V
collector current I = 3/1000  = 3 milli amp

current amplification factor = Beta dc = 50
So base current =  collector current / Beta  = 3 / 50 milli amp = 60 Micro Amp

Voltage drop across the base resistance = 10 k ohm * 60 *10^-6 Amp
         = 0.6 Volts
Voltage across base and emitter = 0.7 volts
Voltage of input signal =  0.6 + 0.7 volts = 1.3 volts


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