Quiz Questions - Monthly test for month of February-2026

Question 1 1 Marks

How many transistors are built inside the Very Large Scale Integration (VLSI) IC package?

A

1000 and above

B

1 to 10 transistors

C

10 to 100 transistors

D

100 to 1000 transistors

Question 2 1 Marks

Which IC package consist of 100 to 1000 transistors?

A

Large scale integration (LSI)

B

Small scale integration (SSI)

C

Medium scale integration (MSI)

D

Very large scale integration (VLSI)

Question 3 1 Marks

Which is the 3 terminal, negative voltage regulator IC?

A

LM 320

B

LM 340

C

IC 7905

D

IC 7812

Question 4 1 Marks

Which three terminal voltage regulator IC has adjustable output?

A

LM 100

B

LM 105

C

LM 305

D

LM 317

Question 5 1 Marks

How much is the maximum load current of the negative voltage regulator IC 7912?

A

1.0 A

B

1.5 A

C

2.0 A

D

0.55 A

Question 6 1 Marks

What is the current rating of voltage regulator IC LM338K?

A

2A

B

3A

C

4A

D

5A

Question 7 1 Marks

Which method is followed to troubleshoot the problem causing section by the symptom?

A

Step by step method

B

Sensory test method

C

Trial and error method

D

Logical approach method

Question 8 1 Marks

What is the current rating of voltage regulator IC LM317L?

A

0.1 A

B

0.2 A

C

0.3 A

D

0.4 A

Question 9 1 Marks

What is the range of output voltage of regulator IC LM 317?

A

0 to 25 V

B

0 to 30 V

C

0 to 32 V

D

1.2 V to 32 V

Question 10 1 Marks

Which type of voltage regulator is IC 723?

A

Multipin variable voltage regulator

B

Three pin positive voltage regulator

C

Three pin negative voltage regulator

D

Three pin adjustable voltage regulator

Question 11 1 Marks

What is the natural shape of a quartz crystal?

A

Cylindrical shape with pyramid at ends

B

Cube shape with pyramid at ends

C

Pentagonal prism with pyramid at ends

D

Hexagonal prism with pyramid at ends

Question 12 1 Marks

What is the difference of Colpitts oscillator compare to Hartley oscillator?

A

Uses split inductor

B

Uses split capacitor

C

Uses crystal oscillator

D

Uses SCR combination

Question 13 1 Marks

What is the percentage of charge accumulated by the capacitor at the end of 2 time constant limit?

A

0.4

B

0.5

C

0.632

D

0.864

Question 14 1 Marks

How many time constants required to change a capacitor to 63.2% of its full charge voltage?

A

Four time constant

B

Three time constant

C

Two time constant

D

One time constant

Question 15 1 Marks

What type of feed back is used by the Wein-bridge oscillator to oscillate the signal?

A

No feedback

B

Positive feedback

C

Negative feedback

D

Both positive and negative feedback

Question 16 1 Marks

How to improve the frequency stability in oscillator circuits?

A

Increase the supply voltage

B

By using quartz crystal

C

Using L and C

D

Improve the property of circuits

Question 17 1 Marks

Which is the transistor used to operate the Colpitts oscillator?

A

AC 127

B

BF 194B

C

BC 148B

D

AC 188

Question 18 1 Marks

How to overcome the problem of frequency drift in LC oscillators?

A

Apply opposite polarity of signal

B

Provide negative feedback

C

Using high Q coils and good quality capacitors

D

Increase the supply voltage

Question 19 1 Marks

Why LC tuned circuits are not used in audio frequency oscillators?

A

LC values required is too large

B

LC components are not available

C

LC tank circuit does not produce AF signals

D

LC tank circuit operation requires high voltage

Question 20 1 Marks

What type of arrangement is required to sustain the oscillations of the oscillator circuit?

A

Provide negative feedback

B

Provide regenerative feedback

C

Increase the bias voltage

D

Increase the value of inductor

Question 21 1 Marks

Which is equal to sin θ?

A

Opposite Side/Hypotenuse

B

Hypotenuse/Opposite side

C

Adjacent Side/Hypotenuse

D

Hypotenuse/Adjacent side

Question 22 1 Marks

What is equal to cos θ?

A

Hypotenuse/Adjacent Side

B

Adjacent Side/Hypotenuse

C

Opposite side/Hypotenuse

D

Hypotenuse/Opposite Side

Question 23 1 Marks

What is equal to tan θ?

A

Opposite Side/Hypotenuse

B

Adjacent Side/Hypotenuse

C

Opposite Side/Adjacent Side

D

Adjacent side/Opposite side

Question 24 1 Marks

What is the value of tan θ if sin θ = 4/5 ?

A

(4/5)

B

(5/3)

C

(3/4)

D

(4/3)

Question 25 1 Marks

How many degrees is equal to one radian?

A

(Pi)/(360)

B

(360)/(Pi)

C

(Pi)/(180)

D

(180)/(Pi)