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Q1. An amplifier without feedback has a voltage gain of 100, input resistance of \(10\:K\Omega\) & Output resistance of \(3\:K\Omega\). The input resistance and output resistance of the voltage-series negative feedback amplifier using the above amplifier with a feedback factor of 0.6 is

\(\frac{10}{61}\: K\Omega\) and \(183\: K\Omega\)

\(\frac{10}{61}\: K\Omega\) and \(\frac{3}{61}\: K\Omega\)

\(0.6\: K\Omega\) and \(\frac{3}{6}\: K\Omega\)

\(610\: K\Omega\) and \(\frac{3}{61}\: K\Omega\)

Q2. 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

Q3. The v-i characteristics of the diode in the circuit shown in the figure is given by
\(i = \begin {cases}\frac{v-0.7}{500}, & v\geq 0.7 V\\0, & v < 0.7 V\end{cases}\)
The current is the circuit in mA is

10

9.3

6.2

6.66

Q4. The ratio of mobility to the diffusion coefficient in a semiconductor has the units.

\(V^{-1}\)

\(cm\:V^{-1}\)

\(V\:cm^{-1}\)

\(V\:s\)

Q5. In the circuit, the transistor has a large \(\beta\) value \((V_{BE} = 0.7V)\). Find the current through \(R_C\).

2mA

1.6mA

1mA

0.5mA

Q6. What is the thickness of the n-type semiconductor of p-n junction diode used for photovoltaic effect to generate solar energy?

Less then one nanometre

Less then one millimetre

Less then one micrometre

Less then one picometre

Q7. In a C-E configuration, an emitter resistor is used for :

stabilization

ac signal bypass

collector bias

higher gain

Q8. Current flow in a semiconductors depends on the phenomenon of

drift

diffusion

recombination

all of these

Q9. In a rectifier, larger the value of shunt capacitor filter

Larger the peak-to-peak value of ripple

Larger the peak current in the rectifying diode.

Longer the time that current pulse flows

Smaller the dc voltage across the load.

Q10. Which represents the Transport Factor of BJT?

The ratio of the collector current and the emitter current

The ratio of the collector current and the Base current

The ratio of the emitter current and the Base current

The ratio of the collector current and the load current

Quiz

Year 2024

July
Week # 3 Quiz 3

Q1. An amplifier without feedback has a voltage gain of 100, input resistance of \(10\:K\Omega\) & Output resistance of \(3\:K\Omega\). The input resistance and output resistance of the voltage-series negative feedback amplifier using the above amplifier with a feedback factor of 0.6 is

Q2. In the differential voltage gain & the common mode voltage gain of a differential amplifierare 48db & 2db respectively, then its common mode rejection ratio is

Q3. The v-i characteristics of the diode in the circuit shown in the figure is given by
\(i = \begin {cases}\frac{v-0.7}{500}, & v\geq 0.7 V\\0, & v < 0.7 V\end{cases}\)
The current is the circuit in mA is

Q4. The ratio of mobility to the diffusion coefficient in a semiconductor has the units.

Q5. In the circuit, the transistor has a large \(\beta\) value \((V_{BE} = 0.7V)\). Find the current through \(R_C\).

Q6. What is the thickness of the n-type semiconductor of p-n junction diode used for photovoltaic effect to generate solar energy?

Q7. In a C-E configuration, an emitter resistor is used for :

Q8. Current flow in a semiconductors depends on the phenomenon of

Q9. In a rectifier, larger the value of shunt capacitor filter

Q10. Which represents the Transport Factor of BJT?

Quiz

Year 2024

August Week # 3 Expire on 14 Sep 2024

August Week # 4 Expire on 21 Sep 2024

September Week # 1 Expire on 30 Sep 2024

September Week # 2 Expire on 07 Oct 2024

July Week # 3 Quiz 3

Q1. An amplifier without feedback has a voltage gain of 100, input resistance of \(10\:K\Omega\) & Output resistance of \(3\:K\Omega\). The input resistance and output resistance of the voltage-series negative feedback amplifier using the above amplifier with a feedback factor of 0.6 is

Q2. In the differential voltage gain & the common mode voltage gain of a differential amplifierare 48db & 2db respectively, then its common mode rejection ratio is

Q3. The v-i characteristics of the diode in the circuit shown in the figure is given by \(i = \begin {cases}\frac{v-0.7}{500}, & v\geq 0.7 V\\0, & v < 0.7 V\end{cases}\) The current is the circuit in mA is

Q4. The ratio of mobility to the diffusion coefficient in a semiconductor has the units.

Q5. In the circuit, the transistor has a large \(\beta\) value \((V_{BE} = 0.7V)\). Find the current through \(R_C\).

Q6. What is the thickness of the n-type semiconductor of p-n junction diode used for photovoltaic effect to generate solar energy?

Q7. In a C-E configuration, an emitter resistor is used for :

Q8. Current flow in a semiconductors depends on the phenomenon of

Q9. In a rectifier, larger the value of shunt capacitor filter

Q10. Which represents the Transport Factor of BJT?

Record & Track Your Performance

July
Week # 3 Quiz 3

Q3. The v-i characteristics of the diode in the circuit shown in the figure is given by
\(i = \begin {cases}\frac{v-0.7}{500}, & v\geq 0.7 V\\0, & v < 0.7 V\end{cases}\)
The current is the circuit in mA is