TRANSISTOR AMPLIFIER - Practice Mode

1) Why transistors made of silicon is preferred over the germanium semiconductor material?

Complex design Higher thermal stability Requires complicated bias arrangement Silicon transistor needs low cut-in-voltage

Correct Answer: Higher thermal stability

2) Why NPN type of transistors are preferred over the PNP type transistors?

NPN has lower switching speed NPN has good bias stability NPN has higher switching speed Low operating voltage

Correct Answer: NPN has higher switching speed

3) Which type of transistors are required to amplify signals from the microphone /transducer?

Low power transistors Medium power transistors High power transistors Epitaxial versa watt transistors

Correct Answer: Low power transistors

4) What type of packaging is generally used to transistors utilized for low power amplification?

Metal packaging Plastic packaging Ceramic packaging Plastic packaging with metal heatsinks

Correct Answer: Plastic packaging

5) Which type of packaging is used to transistors utilized for medium power amplification?

Plastic packaging with metal heatsinks Ceramic packaging Plastic packaging Metal packaging

Correct Answer: Plastic packaging with metal heatsinks

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