BRIDGE COURSE

Determine the output from the following circuit

• 180^o in phase with input signal
  
  

• 180^o out of phase with input signal

• Same as that of input signal
  

• Output signal cannot be determined

Which of the following electrical characteristics is not exhibited by an ideal op-amp?

• Infinite voltage gain

• Infinite bandwidth

• Infinite output resistance

• Infinite slew rate

Determine the output voltage from the following circuit diagram?

• 
• 
• 
• None

Find the output voltage of an ideal op-amp. If V₁ and V₂ are the two input voltages

• V_O= V₁-V₂

• V_O= A×(V₁-V₂)

• V_O= A×(V₁+V₂)

• V_O= V₁×V₂

OP AMP can Amplify

• Only AC Signals

• Only DC Signals

• Both AC and DC

• Neither AC nor DC

OP-AMP is a/an:

• • Differential amplifier

• • Oscillator

• • Rectifier

• • None of the above

Op-amp is a:

• • Voltage-controlled voltage source (VCVS)

• • Voltage-controlled current source (VCCS)

• • Current-controlled voltage source (CCVS)

• • Current-controlled current source (CCCS)

Op-Amp uses:

• • Only +ve Voltage

• • Only –ve voltage

• • Dual supply, i.e., ± Vcc

• • None of the above

Virtual ground of an op-amp means:

• • Terminal is grounded directly

• • The terminal is not physically grounded but terminal voltage is zero due to the other terminal is connected to the ground due to op-amp properties.

• • Both (a) and (b)

• • None of the above

Op-Amp uses:

• • Negative feedback

• • Positive feedback

• • Both of the above

• • None of the above