For an ideal OP-amp, which of the following is true?
A. The differential voltage across the input terminals is zero
B. The current into the input terminals is zero
C. The current from output terminal is zero
D. The output resistance is zero
Answer: Option C
This Question Belongs to Electrical Engineering >> OP Amp
Join The Discussion
Comments ( 1 )
Related Questions on OP amp
Current cannot flow to ground through .
A. a mechanical ground
B. an a.c. ground
C. a virtual ground
D. an ordinary ground
When a step-input is given to an OP-amp integrator, the output will be
A. A ramp
B. A sinusoidal wave
C. A rectangular wave
D. A triangular wave with dc bias
Either B or D. Op Amp has infinite input impedance which draws 0 current into its input and has a zero output impedance which draws a large current in the circuit.