> Q. In common emitter amplifier, the current gain is $ 62 $ . The collector resistance and input resistance are $ 5,k,Omega $ and $ 500,Omega $ respectively. If the input voltage is $ 0.01, V $ , the output voltage is – LIVE ANSWER TODAY

Q. In common emitter amplifier, the current gain is $ 62 $ . The collector resistance and input resistance are $ 5,k,Omega $ and $ 500,Omega $ respectively. If the input voltage is $ 0.01, V $ , the output voltage is

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In common emitter amplifier, the current gain is $ 62 $ . The collector resistance and input resistance are $ 5,k,Omega $ and $ 500,Omega $ respectively. If the input voltage is $ 0.01, V $ , the output voltage is

Solution:

Voltage gain = resistance gain current

$ times $ gain or $ frac{{{V}_{out}}}{{{V}_{in}}}=frac{{{R}_{out}}}{{{R}_{in}}}times beta $

or $ {{V}_{out}}=frac{{{R}_{out}}}{{{R}_{in}}}times beta times {{V}_{in}} $

$ therefore $ $ {{V}_{out}}=frac{5000}{500}times 62times 0.01=6.2V $

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