Related Questions

The CMRR of a typical IC OPAMP is
A 70 dB
B 80 dB
C 85 dB
D 75 dB
The two input terminals of an opamp are labeled as
A High and low
B Positive and negative
C Inverting and non inverting
D Differential ans non differential
If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be
A $$\frac{{\text{X}}}{{\text{Y}}}$$
B X × Y
C X + Y
D X - Y
Synonym of "Realistic" is -
A relevant
B pragmatic
C forlorn
D repressible
On selling a chair at 7% loss and a table at 17% gain, a man gains Tk 296. If he sells the chair at 7% gain and the table at 12% gain, then he gains Tk. 400. The actual price of the table is ---
A Tk. 2400
B Tk. 2200
C Tk. 1800
D Tk. 1600
Power gain in decibels is equal to voltage gain in decibels only when
A Input impedance is equal to output impedance
B Output impedance is zero
C Never
D Input impedance is zero
Array values are keyed by ______ values (called indexed arrays) or using ______ values (called associative arrays). Of course, these key methods can be combined as well.
A Float, string
B Positive number, negative number
C Even number, string
D String, Boolean
E Integer, string
When negative voltage feedback is applied to an amplifier, its voltage gain ___________
A Is increased
B Is reduced
C Remains the same
D None of the above
In closed loop control system, with positive value of feedback gain the overall gain of the system will
A Decrease
B Increase
C Be unaffected
D Exponentially increase
A conditionally stable system is stable for the value of gain between two critical values. It is unstable if
A The gain is increased beyond upper critical value
B The gain is decreased below lower critical value
C Both A and B
D None of the above

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