Electrical Engineering Mcqs
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
Question: The power gain in a transistor connected in___________arrangement is the highest?
- 1. common emitter
- 2. common base
- 3. common collector
- 4. none of the above
Question: The input impedance of a transistor connected in___________arrangement is the highest?
- 1. common emitter
- 2. common collector
- 3. common base
- 4. none of the above
Question: The value of ß for a transistor is generally____________?
- 1. 1
- 2. less than 1
- 3. between 20 and 500
- 4. above 500
Question: In a transistor ______________?
- 1. IC = IE + IB
- 2. IB = IC + IE
- 3. IE = IC – IB
- 4. IE = IC + IB
Question: Most of the majority carriers from the emitter____________?
- 1. recombine in the base
- 2. recombine in the emitter
- 3. pass through the base region to the collector
- 4. none of the above