OP-AMP used as a tuned amplifier has the tuned circuit connected

1.  Across input

2.  Across series impedance at the input

3.  Across feedback impedance Zf

4.  Across output.

4
Correct Answer :

Across feedback impedance Zf

Explanation :
No Explanation available for this question

For the circuit shown in the given figure, assuming ideal diodes, output waveform V0 will be

1.

2.

3.

4.

4
Correct Answer :

Explanation :
No Explanation available for this question

In the OP-AMP biased wein bridge RC Oscillator shown in the given figure, R2 is invariably a resistor having

1.  Negative temperature coefficient

2.  Positive voltage dependence

3.  Positive temperature coefficient

4.  Negative voltage dependence.

4
Correct Answer :

Positive temperature coefficient

Explanation :
No Explanation available for this question

An OP-AMP has a slew rate of 5V/s. the largest sine wave output voltage possible at a frequency of 1MHz is

1.  10∏ volts

2.  5∏ volts

3.  5/∏ volts

4.  5/2∏ volts.

4
Correct Answer :

5/2∏ volts.

Explanation :
No Explanation available for this question

Total offset voltage for the circuit shown below with given input offset voltage V10=4mV, and input offset current I10=150 mA will be

1.  404 mV

2.  479 mV

3.  329 mV

4.  Zero.

4
Correct Answer :

479 mV

Explanation :
No Explanation available for this question

Output voltage of an OP-AMP for input voltage of Vi1=150 V, Vi2=140 V. if amplifier has a differential gain of Ad=4000 and value of CMRR is 100, is

1.  45.8 mV

2.  40.006 mV

3.  10 V

4.  145 V.

4
Correct Answer :

45.8 mV

Explanation :
No Explanation available for this question

A circuit using an OPAMP shown below, has

1.  Voltage series feedback

2.  Voltage shunt feedback

3.  Current shunt feedback

4.  Current series feedback.

4
Correct Answer :

Voltage shunt feedback

Explanation :
No Explanation available for this question

Given circuit shows is an OP-AMP based. The ratio Vout/Vin is equal to

1.  9

2.  11

3.  10

4.  21.

4
Correct Answer :

11

Explanation :
No Explanation available for this question

In the circuit shown in the figure, if CMRR of the AP-AMP is 60 dB, then magnitude of v0 is

1.  1 mV

2.  2 mV

3.  100 mV

4.  200 mV.

4
Correct Answer :

100 mV

Explanation :
No Explanation available for this question

In the given circuit, Vin =10 mV dc maximum possible output offset voltage caused by the input voltage Vi0 with respect to ground is

1.  60 mV dc

2.  110 mV dc

3.  130 mV dc

4.  150 mV dc.

4
Correct Answer :

110 mV dc

Explanation :
No Explanation available for this question

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