Question: If the value of a is 0.9, then value of ß is___________?

• 1. 9
• 2. 0.9
• 3. 900
• 4. 90

Question: BC 147 transistor indicates that it is made of____________?

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

Question: As the temperature of a transistor goes up, the base-emitter resistance___________?

• 1. decreases
• 2. increases
• 3. remains the same
• 4. none of the above

Question: The most commonly used transistor arrangement is____________arrangement?

• 1. common emitter
• 2. common base
• 3. common collector
• 4. none of the above

Question: The output impedance of a transistor is____________?

• 1. high
• 2. zero
• 3. low
• 4. very low

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