An inverting amplifier has a phase shift of 180° from input to output.

More Questions from Operational Amplifiers

• If an input signal is applied to the inverting input of an op-amp with the noninverting input grounded, the output signal would be opposite in polarity to the input.
• If the two inputs to a differential amplifier are exactly the same, then the output is the signal multiplied by 2.
• The ideal output impedance for an operational amplifier is 0 Ω.
• Crystal oscillator circuits have a very low Q.
• Feedback is used in an open-loop operational amplifier circuit.
• An astable multivibrator has two states.
• The feedback resistor adds to the gain of an op-amp.
• It takes 4 µs for the output voltage of an op-amp to rise from –14 V to +14 V. The slew rate of this op-amp is 3.5 V/µs.
• In a common-mode input to an op-amp, both inputs are connected to the same signal source.
• An op-amp has very low open-loop gain.

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