0 V 10 V 5 V 1 V Non inverting amplifier Differentiator Summing amplifier Integr

Question

       0 V
       10 V
       5 V
       1 V

       Non inverting amplifier
       Differentiator
       Summing amplifier
       Integrator

       is equal to the amplifier feedback resistor
       is equal to the compensation resistance
       cannot be determined
       depends on the value of the resistor connected to the amplifier inverting input for each source voltage

       60 dB
       30 dB
       50 dB
       25 dB

Which of the following accurately depicts the relationship between the collector, base, and emitter currents in an NPN bipolar junction transistor? (Points : 5)

Explanation / Answer

1.

answer C

IE = (1+B) IB

2.

answer is 0

transistor become ON . ideally VCE =0.

3. image missing

4.

TCO7 :

coltage is applied at -ve terminal . so output gets inverted . since there is no feed back loop output saturates

so answer is B

5.

The input impedance for an inverting summing amplifier circuit _____.

ANswer is

depends on the value of the resistor connected to the amplifier inverting input for each source voltage

6.

20log(10000/10) =60dB

7.

maximum voltage gain whe variable resistor =0

max gain = -Rf/Ri = -200/30 =-20/3

minimum voltage gain whe variable resistor =20Kohm

min gain = -Rf/Ri = -200/(30+20) =-4

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