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Q1. A silicon transistor is biased with base resistor method. If \(\beta = 100, \:V_{BE} =0.7 V,\) zero signal collector current \(I_C = 2\: mA\) and\( V_{CC} = 10V\) , what is the value of the base resistor\( R_B\)?

\(105 k\Omega\)

\(530 k\Omega\)

\(465 k\Omega\)

\(315 k\Omega\)

Q2. 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

Q3. Current I for the circuit shown in figure is

3 mA

2.81 mA

6.16 mA

10 mA

Q4. An n- channel JFET has \(V_p = -6 \:v\), and \(g_m = 0.25 \: mA/V\). What will be the value of \(I_{DSS}\) for an applied gate to source voltage \(V_{GS} = - 3 V\) ?

\(2 \:mA\)

\(1.5 \:mA\)

\(2.5 \:mA\)

\(3 \:mA\)

Q5. At the upper critical frequency, the peak output voltage of a certain amplifier is 10 V. The peak voltage in a midrange of the amplifier is

7.07 V

6.37 V

14.14 V

10 V

Q6. 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%

Q7. In an ideal op-amp, the voltage gain for the common mode signal is:

0

0.50

2

Infinity

Q8. If \(\beta = 50\) , \(I_{CO} = 4 \: \mu A\) and \(I_B = 80\: \mu A\) for a transistor, then the value of \(I_C\) will be

\(3.1 \:mA\)

\(4.201 \:mA\)

\(5.4 \:mA\)

\(6.3 \:mA\)

Q9. If a high degree of selectivity is desired, then double-tuned circuit should have …………. coupling

Loose

Tight

Critical

None of the above

Q10. A differential amplifier has an open circuit voltage gain of 100. The input signals are 3.35 V and 3.25 V. Determine the output voltage.

5 V

15 V

10 V

20 V

Quiz

Year 2025

December
Week # 3 Quiz 3

Q1. A silicon transistor is biased with base resistor method. If \(\beta = 100, \:V_{BE} =0.7 V,\) zero signal collector current \(I_C = 2\: mA\) and\( V_{CC} = 10V\) , what is the value of the base resistor\( R_B\)?

Q2. 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?

Q3. Current I for the circuit shown in figure is

Q4. An n- channel JFET has \(V_p = -6 \:v\), and \(g_m = 0.25 \: mA/V\). What will be the value of \(I_{DSS}\) for an applied gate to source voltage \(V_{GS} = - 3 V\) ?

Q5. At the upper critical frequency, the peak output voltage of a certain amplifier is 10 V. The peak voltage in a midrange of the amplifier is

Q6. 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?

Q7. In an ideal op-amp, the voltage gain for the common mode signal is:

Q8. If \(\beta = 50\) , \(I_{CO} = 4 \: \mu A\) and \(I_B = 80\: \mu A\) for a transistor, then the value of \(I_C\) will be

Q9. If a high degree of selectivity is desired, then double-tuned circuit should have …………. coupling

Q10. A differential amplifier has an open circuit voltage gain of 100. The input signals are 3.35 V and 3.25 V. Determine the output voltage.

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

December Week # 3 Quiz 3

Q1. A silicon transistor is biased with base resistor method. If \(\beta = 100, \:V_{BE} =0.7 V,\) zero signal collector current \(I_C = 2\: mA\) and\( V_{CC} = 10V\) , what is the value of the base resistor\( R_B\)?

Q2. 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?

Q3. Current I for the circuit shown in figure is

Q4. An n- channel JFET has \(V_p = -6 \:v\), and \(g_m = 0.25 \: mA/V\). What will be the value of \(I_{DSS}\) for an applied gate to source voltage \(V_{GS} = - 3 V\) ?

Q5. At the upper critical frequency, the peak output voltage of a certain amplifier is 10 V. The peak voltage in a midrange of the amplifier is

Q6. 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?

Q7. In an ideal op-amp, the voltage gain for the common mode signal is:

Q8. If \(\beta = 50\) , \(I_{CO} = 4 \: \mu A\) and \(I_B = 80\: \mu A\) for a transistor, then the value of \(I_C\) will be

Q9. If a high degree of selectivity is desired, then double-tuned circuit should have …………. coupling

Q10. A differential amplifier has an open circuit voltage gain of 100. The input signals are 3.35 V and 3.25 V. Determine the output voltage.

Record & Track Your Performance

December
Week # 3 Quiz 3