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IGCSE A Level Physics Practice Test 130

# Operational Amplifier MCQ (Multiple Choice Questions) PDF - 130

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The e-Book Operational Amplifier Multiple Choice Questions and Answers (MCQs), operational amplifier MCQs Quiz PDF download chapter 12-130 to learn online igcse physics degree courses. Study Electronics quiz answers PDF, operational amplifier Multiple Choice Questions (MCQ Quiz) for online college degrees. The Operational Amplifier MCQs App Download: Free educational app for operational amplifier, simple harmonic motion gravitation, kirchhoffs laws, meaning of voltage, magnetic flux and density test prep for online colleges that offer certificate programs.

The MCQs Actual op-amp may have an open loop gain of: 105, 10², 10³ and 104 with "Operational Amplifier" App Download (iOS & Android) Free to learn online IGCSE GCE courses. Practice electronics questions and answers, Google eBook to download free sample for colleges that offer certificate programs.

## Operational Amplifier MCQ Questions : Quiz 130

MCQ 646: Actual op-amp may have an open loop gain of

A) 10²
B) 105
C) 10³
D) 104

MCQ 647: Kepler's 3rd law states that...

A) the periods of revolution of the planets are proportional to the cube of their mean distances from sun
B) the periods of revolution of the planets are inversely proportional to the cube of their mean distances from sun
C) the squares of the periods of revolution of the planets are proportional to the cube of their mean distance from sun
D) the squares of the periods of revolution of the planets are inversely proportional to the cube of their mean distance from sun

MCQ 648: 1 V is equal to

A) 1 J C-1
B) 2 J C-1
C) 1 J-1 C
D) 2 J-1 C

MCQ 649: A voltmeter arranged across the power supply measures

A) potential difference
B) EMF
C) current
D) resistance

MCQ 650: If the Earth's magnetic field lines pass through the Hall probe in opposite direction, then the change in reading of voltmeter is

A) thrice the Earth's magnetic flux density
B) four times the Earth's magnetic flux density
C) five times the Earth's magnetic flux density
D) twice the Earth's magnetic flux density

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