Class B power Amplifiers Quiz PDF: Questions and Answers - 67

MCQ 331: For class B amplifiers the Q-point is

1. Under the AC load line
2. Above the AC load line
3. At the cutoff
4. At the center of the AC load line

MCQ 332: The frequency at which the output power drops to one-half of its mid-range value is known as

1. Critical frequency
2. High frequency
3. low frequency
4. Unity-gain frequency

MCQ 333: An n-channel D-MOSFET with a positive VGS is operating in

1. Induction mode
2. Conduction mode
3. Depletion mode
4. Enhancement mode

MCQ 334: Which amplifiers are normally operated as tuned amplifiers to produce a sinusoidal output?

1. Class A amplifiers
2. Class B amplifiers
3. Class C amplifiers
4. Class AB amplifiers

MCQ 335: The crystal with no impurities is known as

1. Extrinsic crystal
2. Intrinsic crystal
3. Pure crystal
4. Clear crystal