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

Question: In a transistor, signal is transferred from a___________circuit?

• 1. high resistance to low resistance
• 2. low resistance to high resistance
• 3. high resistance to high resistance
• 4. low resistance to low resistance

Question: A transistor is connected in CB mode. If it is not connected in CE mode with same bias voltages, the values of IE, IB and IC will____________?

• 1. remain the same
• 2. increase
• 3. decrease
• 4. none of the above

Question: IC = [a / (1 – a )] IB + [___________ / (1 – a )?

• 1. ICBO
• 2. ICEO
• 3. IC
• 4. IE

Question: The voltage gain of a transistor connected in common collector arrangement is____________?

• 1. equal to 1
• 2. more than 10
• 3. more than 100
• 4. less than 1

Question: The voltage gain in a transistor connected in___________arrangement is the highest?

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