Operational Amplifiers Presentation Quiz

What type of inputs does an op-amp have?

• Only inverting inputs

• Only non-inverting inputs

• Inverting and non-inverting inputs

• No inputs

What is the gain of an ideal operational amplifier?

• Zero

• 1

• Infinite

• 100

What is the primary function of an op-amp in comparator switching?

• To amplify input signals

• To compare two input voltages

• To filter noise from signals

• To store electrical energy

What is the purpose of connecting a feedback resistor between the output and the inverting input in a negative feedback circuit?

• To increase the gain

• To reduce and control the gain

• To eliminate the input signal

• To amplify the feedback signal

What does the minus sign in the voltage gain formula of an inverting amplifier indicate?

• The output signal is amplified

• The output signal is inverted

• The input signal is reduced

• The circuit is non-functional

What is applied to the inverting input of a summing amplifier?

• A single input signal

• Multiple input signals

• No input signal

• A constant voltage