Operational Amplifier

A. 1
B. 2000
C. 80 dB
D. 100,000

A. 1225
B. 10,000
C. 80 dB
D. answers (A) and (B)

A. very high
B. very low
C. always unity
D. unpredictable

A. opposite polarity signals are applied to the inputs
B. the gain is one
C. the outputs are of different amplitudes
D. only one supply voltage is used

A. very high
B. very low
C. dependent on input voltage
D. about 100

A. the output is grounded
B. one input is grounded and signal is applied to the other
C. both inputs are connected together
D. the output is not inverted

A. equal to the positive supply voltage
B. equal to the negative supply voltage
C. equal to zero
D. equal to CMRR

A. both inputs are grounded
B. the outputs are connected together
C. an identical signal appears on both the inputs
D. the output signal are in-phase

A. is a part of an Op-amp
B. has one input and one output
C. has two outputs
D. answers (A) and (B)

A. half of either collector current
B. equal to either collector current
C. two times either collector current
D. equal to the difference in base currents