Question: The output voltage Vo of the above circuit is____________?

• 1. -6V
• 2. -5V
• 3. -1.2V
• 4. -0.2V

Question: In the above circuit the current ix is___________?

• 1. 0.6A
• 2. 0.5A
• 3. 0.2A
• 4. 1/12A

Question: An opamp has a slew rate of 5V/ S. the largest sine wave o/p voltage possible at a frequency of 1MHz is____________?

• 1. 10 V
• 2. 5 V
• 3. 5V
• 4. 5/2 V

Question: The approximate input impedance of the opamp circuit which has Ri=10k, Rf=100k, RL=10k?

• 1. ∞
• 2. 120k
• 3. 110k
• 4. 10k

Question: An amplifier using an opamp with slew rate SR=1v/sec has a gain of 40db.If this amplifier has to faithfully amplify sinusoidal signals from dc to 20KHz without introducing any slew-rate induced distortion, then the input signal level exceed_____________?

• 1. 795mV
• 2. 395mV
• 3. 795mV
• 4. 39.5mV

Question: An ideal OP-AMP is an ideal__________?

• 1. Current controlled Current source
• 2. Current controlled Voltage source
• 3. Voltage controlled Voltage source
• 4. Voltage controlled Current source

Question: How many op-amps are required to implement this equation Vo = V1?

• 1. 4
• 2. 3
• 3. 2
• 4. 1

Question: How many op-amps are required to implement this equationop-amps?

• 1. 2
• 2. 3
• 3. 4
• 4. 1

Question: The ideal OP-AMP has the following characteristics:

• 1. Ri=∞ ,A=∞ ,R0=0
• 2. Ri=0 ,A=∞ ,R0=0
• 3. Ri=∞ ,A=∞ ,R0=∞
• 4. Ri=0 ,A=∞ ,R0=∞

Question: If ground is applied to the (+) terminal of an inverting op-amp, the (–) terminal will_____________?

• 1. Not need an input resistor
• 2. Be virtual ground
• 3. Have high reverse current
• 4. Not invert the signal