Related Questions

Emitter follower is a ___________ circuit
A Voltage feedback
B Current feedback
C Both voltage and current feedback
D None of the above
An emitter follower has ___________ input impedance
A Zero
B Low
C High
D None of the above
The output impedance of an emitter follower is ___________
A High
B Very high
C Almost zero
D Low
Emitter follower is used for ___________
A Current gain
B Impedance matching
C Voltage gain
D None of the above
Asource follower using an FET usually has a voltage gain which is
A Greater than +100
B Slightly less than unity but positive
C Exactly unity but negative
D About -10
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
A voltage follower ___________
A has a voltage gain of 1
B is noninverting
C has no feedback resistor
D has all of these
To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage.
A Less than
B Equal to
C More than
D None of the above
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
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

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