Which of the following statements is False regarding an oper

Which of the following statements is False regarding an operational amplifier?

a. The output can source a significant amount of current.

b. The gain of an op-amp without feedback (open loop) is small

c. The input current is very low

d. it is an active device.

Solution

Option b is wrong. Ideal op amp open loop gain is infinity. For practical op amp the open loop gain is high.