A Level Courses

Chapter 12: IGCSE A Level Physics Exam Tests

IGCSE A Level Physics MCQs - Chapter 12

Books:

Apps:

The Electronics Multiple Choice Questions (MCQs) with Answers PDF, Electronics MCQs PDF Download e-Book Ch. 12-1 to study IGCSE A Level Physics Course. Practice Output Devices MCQs, Electronics quiz questions and answers PDF for SAT test. The Electronics MCQs App Download: Free learning app for non inverting amplifier, electronic sensing system, operational amplifier career test to learn IGCSE certificate courses.

The Multiple Choice Question (MCQ Quiz): LED starts to conduct when voltage is about; "Electronics" App Download (Free) with answers: 4 V; 1 V; 3 V; 2 V; for SAT test. Solve Elasticity Quiz Questions, download Google eBook (Free Sample) for online college bachelor degree.

## Electronics Questions and Answers : MCQ Quiz 1

MCQ 1:

LED starts to conduct when voltage is about

1. 1 V
2. 4 V
3. 3 V
4. 2 V
MCQ 2:

For non-inverting amplifier the input and output is

1. out of phase
2. in phase
3. have phase difference of 180°
4. have phase difference of 90°
MCQ 3:

A sensing device is also called

1. transistor
2. thermistor
3. sensor
4. transducer
MCQ 4:

Op-amp can provide maximum output current of

1. 25 mA
2. 30 mA
3. 35 mA
4. 40 mA
MCQ 5:

Output resistance of an actual op-amp is

1. 45 Ω
2. 46 Ω
3. 70 Ω
4. 75 Ω