When a transistor is used in common emitter configuration, its power amplification is 90 and voltage amplification is 10, when the same transistor is used in common base configuration, its current amplification will be
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answer is 3.
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Detailed Solution
Ap=β2RcRB and Av=βRcRB∴β=ApAv=9010=9∴α=β1+β=91+9=0.9
When a transistor is used in common emitter configuration, its power amplification is 90 and voltage amplification is 10, when the same transistor is used in common base configuration, its current amplification will be