Govt Exams Mock Test FREE | Online Quiz Competition

Q1. In voltage divider bias, \(V_{CC} = 25\: V;\: R_1 = 10\: k\Omega;\: R_2 = 3.3 \: k\Omega; \:R_C = 2 \: k\Omega;\) and \(R_E =1\: k\Omega\). What is the collector current?

6.2 mA

5.5 mA

4.5 mA

3.6 mA

Q2. In the circuit shown below, the knee current of the ideal zener diode is 10 mA. To maintain 5 V across \(R_L\), the minimum value of \(R_L\) in ohm and the maximum power rating of the zener diode in mW respectively are

125 and 125

125 and 250

250 and 125

250 and 250

Q3. In the differential voltage gain & the common mode voltage gain of a differential amplifierare 48db & 2db respectively, then its common mode rejection ratio is

23dB

25dB

46dB

50dB

Q4. A dc power supply has no-load voltage of 24 V,and a full-load voltage of 20 V at full-load current of 2A. Its output resistance & load regulation, respectiviely are

\(4\:\Omega \:\&\: 20\%\)

\(10\:\Omega \:\& \: 20\%\)

\(4\:\Omega \:\&\: 16.7\%\)

\(10\:\Omega \:\&\: 16.7\%\)

Q5. Crystal oscillators are superior to tuned LC oscillators mainly because of their,

Size of crystal

Frequency stability

High value of Q

Availability of crystal

Q6. Based on the operation of op amp and diodes, the below circuit is called as ________.

Positive clipper circuit

Clamper circuit

Negative clipper circuit

V to I converter circuit

Q7. A zener diode voltage regulator has load requirement of 12 V and 2 Amp. The zener diode's minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is maximum efficiency of circuit?

40.67%

55.35%

50.00%

45.45%

Q8. Which of the following is not necessarily the advantage of a push pull amplifier?

It gives more output

There is no effect of ripple of the power supply

It consumes least power

It removes odd as well as even harmonics

Q9. In a \(p^+ n\) junction diode under reverse bias, the magnitude of electric field is maximum at

The edge of the depletion region on the \(p^- n\) side

The edge of the depletion region on the \(n^-\) side

The \(p^+ n\) junction

The center of the depletion region on the\(n^-\) side

Q10. By cascading low pass filter and high pass filter, the resulting circuit is

Band pass filter

Narrow band pass filter

Wide band pass filter

All of these

Quiz

Year 2025

November
Week # 3 Quiz 3

Q1. In voltage divider bias, \(V_{CC} = 25\: V;\: R_1 = 10\: k\Omega;\: R_2 = 3.3 \: k\Omega; \:R_C = 2 \: k\Omega;\) and \(R_E =1\: k\Omega\). What is the collector current?

Q2. In the circuit shown below, the knee current of the ideal zener diode is 10 mA. To maintain 5 V across \(R_L\), the minimum value of \(R_L\) in ohm and the maximum power rating of the zener diode in mW respectively are

Q3. In the differential voltage gain & the common mode voltage gain of a differential amplifierare 48db & 2db respectively, then its common mode rejection ratio is

Q4. A dc power supply has no-load voltage of 24 V,and a full-load voltage of 20 V at full-load current of 2A. Its output resistance & load regulation, respectiviely are

Q5. Crystal oscillators are superior to tuned LC oscillators mainly because of their,

Q6. Based on the operation of op amp and diodes, the below circuit is called as ________.

Q7. A zener diode voltage regulator has load requirement of 12 V and 2 Amp. The zener diode's minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is maximum efficiency of circuit?

Q8. Which of the following is not necessarily the advantage of a push pull amplifier?

Q9. In a \(p^+ n\) junction diode under reverse bias, the magnitude of electric field is maximum at

Q10. By cascading low pass filter and high pass filter, the resulting circuit is

Quiz

Year 2025

January Week # 2 Expire on 07 Feb 2025

January Week # 3 Expire on 14 Feb 2025

January Week # 4 Expire on 21 Feb 2025

February Week # 1 Expire on 28 Feb 2025

November Week # 3 Quiz 3

Q1. In voltage divider bias, \(V_{CC} = 25\: V;\: R_1 = 10\: k\Omega;\: R_2 = 3.3 \: k\Omega; \:R_C = 2 \: k\Omega;\) and \(R_E =1\: k\Omega\). What is the collector current?

Q2. In the circuit shown below, the knee current of the ideal zener diode is 10 mA. To maintain 5 V across \(R_L\), the minimum value of \(R_L\) in ohm and the maximum power rating of the zener diode in mW respectively are

Q3. In the differential voltage gain & the common mode voltage gain of a differential amplifierare 48db & 2db respectively, then its common mode rejection ratio is

Q4. A dc power supply has no-load voltage of 24 V,and a full-load voltage of 20 V at full-load current of 2A. Its output resistance & load regulation, respectiviely are

Q5. Crystal oscillators are superior to tuned LC oscillators mainly because of their,

Q6. Based on the operation of op amp and diodes, the below circuit is called as ________.

Q7. A zener diode voltage regulator has load requirement of 12 V and 2 Amp. The zener diode's minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is maximum efficiency of circuit?

Q8. Which of the following is not necessarily the advantage of a push pull amplifier?

Q9. In a \(p^+ n\) junction diode under reverse bias, the magnitude of electric field is maximum at

Q10. By cascading low pass filter and high pass filter, the resulting circuit is

Record & Track Your Performance

November
Week # 3 Quiz 3