Quiz Questions - Monthly Test

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 is the 3 terminal, negative voltage regulator IC?

A

LM 320

B

LM 340

C

IC 7905

D

IC 7812

Question 3 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 4 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 5 1 Marks

Which circuit is determined by the frequency of LC tank circuit?

A

Oscillator

B

Amplifier

C

Multiplexed

D

Demodulator

Question 6 1 Marks

Which circuits commonly use parallel-fed Hartley oscillators?

A

Stereo amplifiers

B

Radio receivers

C

Television receivers

D

Automatic voltage stabilizers

Question 7 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 8 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 9 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 10 1 Marks

How many time constant period is required to fully charge a capacitor?

A

10 time constants

B

7 time constants

C

5 time constants

D

3 time constants