Operational Amplifier and Its Applications MCQs

140 questionsElectronics-EngineeringPage 1 of 16

Practice free Operational Amplifier and Its Applications multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 140 questions — no login required.

Question 1easy
An OP-AMP can be classified as amplifier.
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Question 2easy
An ideal OP-AMP has
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Question 3easy
OP-AMP have become very popular in industry mainly because
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Question 4easy
Since input resistance of an ideal OP-AMP is infinite
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Question 5easy
The gain of an actual OP-AMP is around
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Question 6easy
When an input voltage of 1 V is applied to an OP-AMP having A = 106 and bias supply of +15V, the output voltage available is
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Question 7easy
An inverting amplifier has Rf =2 M and R =2 K, Its scale factor is
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Question 8easy
In an inverting amplifier, the two input terminals of an ideal OP-AMP are at the same potential because.
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Question 9easy
The open-loop gain of the operational amplifier is 105. An input signal of 1 mV is applied to the inverting input with the non-inverting input connected to the ground. The supply voltages are ?10V. The output of the amplifier will be
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