Question: The emitter of a transistor is___________doped?

• 1. lightly
• 2. heavily
• 3. moderately
• 4. none of the above

Question: The base of a transistor is____________doped?

• 1. heavily
• 2. moderately
• 3. lightly
• 4. none of the above

Question: At the base-emitter junctions of a transistor, one finds___________?

• 1. a reverse bias
• 2. a wide depletion layer
• 3. low resistance
• 4. none of the above

Question: In a transistor if ß = 100 and collector current is 10 mA, then IE is___________?

• 1. 100 mA
• 2. 100.1 mA
• 3. 110 mA
• 4. none of the above

Question: The phase difference between the input and output voltages of a transistor connected in common emitter arrangement is___________?

• 1. 0o
• 2. 180o
• 3. 90o
• 4. 270o

Question: The phase difference between the input and output voltages of a transistor connected in common collector arrangement is_____________?

• 1. 1800
• 2. 00
• 3. 900
• 4. 2700

Question: The arrow in the symbol of a transistor indicates the direction of____________?

• 1. electron current in the emitter
• 2. electron current in the collector
• 3. hole current in the emitter
• 4. donor ion current

Question: The most commonly used semiconductor in the manufacture of a transistor is_____________?

• 1. germanium
• 2. silicon
• 3. carbon
• 4. none of the above

Question: The collector-base junction in a transistor has___________?

• 1. forward bias at all times
• 2. reverse bias at all times
• 3. low resistance
• 4. none of the above

Question: A heat sink is generally used with a transistor to______________?

• 1. increase the forward current
• 2. decrease the forward current
• 3. compensate for excessive doping
• 4. prevent excessive temperature rise