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Answer Posted / ran145
BJT:
Bipolar junction transistor
1. Uses both electrons and holes for conduction
2. Current controlled device
3. Low input impedance
4. Low current applications
5. more noise
6. Less expensive
FET:
Field effect Transistor
1. Uses either electrons or holes for conduction
2. Voltage controlled device
3. High input impedance
4. High power applications
5. less noise
6. More expensive
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