Question20:-What is the value of current -7. in the following figure

" {~

9 8 ~~ ‏ہے‎
‎Vv
‎A:-2 mA
B:-0.1 mA
C:-1 mA
D:-0.33 mA
Correct Answer:- Option-C

Question21:-An operational non inverting amplifier circuit in which all of the output
voltage is fed back to the inverting input is called

A:-Differentiator
B:-Logarithmic amplifier
C:-Voltage follower
D:-Integrator

Correct Answer:- Option-C

Question22:-Ildentify the true statement if a BJT transistor is operating in saturation
mode.

A:-CB and BE junction are forward biased

B:-CB and BE junctions are reverse biased

C:-CB junction forward biased and BE junction reverse biased
D:-CB junction reverse biased and BE junction forward biased
Correct Answer:- Option-A

Question23:-Which of the following are true regarding clamper ?

A. A positive clamper adds a positive DC voltage

B. Clamper can also be called as a re-inserter

C. To reduce tilt, reduce the RC value

D. Negative clamper will clamp the positive peak of output to the reference voltage

A:-All are true

B:-A and B

C:-A, B and D

D:-C only

Correct Answer:- Option-C

Question24:-In a 2 input summing amplifier with ideal Op Amp, ® = 1 KQ, ® = 5 KQ,
and Rp = 2KQ and v, = 2V, v2 = BV, Veo = +/- 10V.

A:--5 V
8:--5.2 ४
(:--4.2 ४