Circuits

Open loop op-amp configuration has

• Direct network between output and input terminals

• No connection between output and feedback network

• No connection between input and feedback network

• All of the mentioned

In which configuration does the op-amp function as a high gain amplifier?

• Differential amplifier

• Inverting amplifier

• Non-inverting amplifier

• All of the mentioned

The output voltage of an open-loop differential amplifier is equal to

• Double the difference between the two input voltages

• Product of voltage gain and individual input voltages

• Product of voltage gain and the difference between the two input voltages

• Double the voltage gain and the difference between two input voltages

Find the output of inverting amplifier?

• Vo = AVin

• Vo = -AVin

• Vo = -A(Vin1– Vin2)

• None of the mentioned

Find the input voltage of an ideal op-amp. It’s one of the inputs and output voltages are 2v and 12v. (Gain=3)

• 8v

• 4v

• -4v

• -2v