Intrinsic Concentration Quiz PDF: Questions and Answers - 111

MCQ 551: Relationship between intrinsic concentration and temperature is

1. n=AT²
2. n=AT²e^[-E_G/k]
3. n=AT²e^[-E_Gk]
4. n=A/T²e^[-E_Gk]

MCQ 552: Biasing condition must exist for a transistor to operate as an amplifier is

1. forward-forward bias
2. reverse-reverse bias
3. forward-reverse bias
4. forward-floating bias

MCQ 553: When 60Hz sinusoidal voltage is applied to input of fullwave rectifier, output frequency of fullwave bridge rectifier will be

1. 30 Hz
2. 20 Hz
3. 60 Hz
4. 120 Hz

MCQ 554: Circuit that are found in all DC power supplies that operate from AC voltage sources are

1. rectifiers
2. regulators
3. modulators
4. amplifiers

MCQ 555: Current regulator diode operates in

1. forward biased
2. reverse biased
3. floating biased
4. None of these