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IGCSE A Level Physics MCQs App Download | Electronics PDF e-Book

IGCSE A Level Physics MCQs: Chapter 12

Electronics Multiple Choice Questions (MCQs) PDF Download | 5

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The MCQ: Output current from an LED is "Electronics" App Download [Free] with answers: 30 ma, 20 ma, 40 ma, and 50 ma to study online IGCSE GCE courses. Solve Earth Orbit Quiz Questions, download Google e-Book (Free Sample) for SAT prep classes.

Electronics MCQs with Answers PDF Download: MCQ Quiz 5

MCQ: 21

Output current from an LED is

  1. 20 mA
  2. 30 mA
  3. 40 mA
  4. 50 mA
MCQ: 22

In an inverting amplifier the non-inverting input (+) is connected to

  1. 1 V line
  2. 0 V line
  3. 2 V line
  4. 3 V line
MCQ: 23

Actual op-amp may have an open loop gain of

  1. 10²
  2. 105
  3. 10³
  4. 104
MCQ: 24

Coil of relay is connected to the

  1. input of op-amp
  2. output of op-amp
  3. midpoint of op-amp
  4. anywhere in between input and output of op-amp

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