Transistors
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365520 For a tranistor amplifier, the voltage gain

1 Is low at high and low frequencies and constant at mid frequencies
2 Remains constant for all frequencies
3 Constant at high frequencies and low at low frequencies
4 Is high at high and low frequencies and constant in the middle frequency range
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365521 The \(dc\) common emitter current gain of a \(n\) - \(p\) - \(n\) transistor is 50. The potential difference applied across the collector and emitter of a transistor used in \(CE\) configuration is \({V_{CE}} = 2V\). If the collector resistance \({R_C} = 4k\Omega \), the base current \(\left( {{I_B}} \right)\) and the collector current \(\left( {{I_C}} \right)\) are

1 \({I_B} = 10\mu A,{I_C} = 0.5mA\)
2 \({I_B} = 0.5\mu A,{I_C} = 10mA\)
3 \({I_B} = 5\mu A,{I_C} = 1mA\)
4 \({I_B} = 1\mu A,{I_C} = 0.5mA\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365522 An amplifier has a voltage gain \(A_{V}=1000\). The voltage gain in \(dB\) is

1 \(30\,dB\)
2 \(60\,dB\)
3 \(3\,dB\)
4 \(20\,dB\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365523 Negative feedback

1 Increases stability
2 Decreases stability
3 Produces rectification
4 None of these
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365524 In common emitter amplifier, input resistance is \(1000\Omega \), peak value of input signal voltage is 5\(mV\) and \(\beta = 60\). The peak value of output current is

1 \(3 \times {10^{ - 4}}A\)
2 \(0.5 \times {10^{ - 4}}A\)
3 \(2 \times {10^{ - 5}}A\)
4 \(1 \times {10^{ - 5}}A\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365520 For a tranistor amplifier, the voltage gain

1 Is low at high and low frequencies and constant at mid frequencies
2 Remains constant for all frequencies
3 Constant at high frequencies and low at low frequencies
4 Is high at high and low frequencies and constant in the middle frequency range
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365521 The \(dc\) common emitter current gain of a \(n\) - \(p\) - \(n\) transistor is 50. The potential difference applied across the collector and emitter of a transistor used in \(CE\) configuration is \({V_{CE}} = 2V\). If the collector resistance \({R_C} = 4k\Omega \), the base current \(\left( {{I_B}} \right)\) and the collector current \(\left( {{I_C}} \right)\) are

1 \({I_B} = 10\mu A,{I_C} = 0.5mA\)
2 \({I_B} = 0.5\mu A,{I_C} = 10mA\)
3 \({I_B} = 5\mu A,{I_C} = 1mA\)
4 \({I_B} = 1\mu A,{I_C} = 0.5mA\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365522 An amplifier has a voltage gain \(A_{V}=1000\). The voltage gain in \(dB\) is

1 \(30\,dB\)
2 \(60\,dB\)
3 \(3\,dB\)
4 \(20\,dB\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365523 Negative feedback

1 Increases stability
2 Decreases stability
3 Produces rectification
4 None of these
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365524 In common emitter amplifier, input resistance is \(1000\Omega \), peak value of input signal voltage is 5\(mV\) and \(\beta = 60\). The peak value of output current is

1 \(3 \times {10^{ - 4}}A\)
2 \(0.5 \times {10^{ - 4}}A\)
3 \(2 \times {10^{ - 5}}A\)
4 \(1 \times {10^{ - 5}}A\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365520 For a tranistor amplifier, the voltage gain

1 Is low at high and low frequencies and constant at mid frequencies
2 Remains constant for all frequencies
3 Constant at high frequencies and low at low frequencies
4 Is high at high and low frequencies and constant in the middle frequency range
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365521 The \(dc\) common emitter current gain of a \(n\) - \(p\) - \(n\) transistor is 50. The potential difference applied across the collector and emitter of a transistor used in \(CE\) configuration is \({V_{CE}} = 2V\). If the collector resistance \({R_C} = 4k\Omega \), the base current \(\left( {{I_B}} \right)\) and the collector current \(\left( {{I_C}} \right)\) are

1 \({I_B} = 10\mu A,{I_C} = 0.5mA\)
2 \({I_B} = 0.5\mu A,{I_C} = 10mA\)
3 \({I_B} = 5\mu A,{I_C} = 1mA\)
4 \({I_B} = 1\mu A,{I_C} = 0.5mA\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365522 An amplifier has a voltage gain \(A_{V}=1000\). The voltage gain in \(dB\) is

1 \(30\,dB\)
2 \(60\,dB\)
3 \(3\,dB\)
4 \(20\,dB\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365523 Negative feedback

1 Increases stability
2 Decreases stability
3 Produces rectification
4 None of these
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365524 In common emitter amplifier, input resistance is \(1000\Omega \), peak value of input signal voltage is 5\(mV\) and \(\beta = 60\). The peak value of output current is

1 \(3 \times {10^{ - 4}}A\)
2 \(0.5 \times {10^{ - 4}}A\)
3 \(2 \times {10^{ - 5}}A\)
4 \(1 \times {10^{ - 5}}A\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365520 For a tranistor amplifier, the voltage gain

1 Is low at high and low frequencies and constant at mid frequencies
2 Remains constant for all frequencies
3 Constant at high frequencies and low at low frequencies
4 Is high at high and low frequencies and constant in the middle frequency range
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365521 The \(dc\) common emitter current gain of a \(n\) - \(p\) - \(n\) transistor is 50. The potential difference applied across the collector and emitter of a transistor used in \(CE\) configuration is \({V_{CE}} = 2V\). If the collector resistance \({R_C} = 4k\Omega \), the base current \(\left( {{I_B}} \right)\) and the collector current \(\left( {{I_C}} \right)\) are

1 \({I_B} = 10\mu A,{I_C} = 0.5mA\)
2 \({I_B} = 0.5\mu A,{I_C} = 10mA\)
3 \({I_B} = 5\mu A,{I_C} = 1mA\)
4 \({I_B} = 1\mu A,{I_C} = 0.5mA\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365522 An amplifier has a voltage gain \(A_{V}=1000\). The voltage gain in \(dB\) is

1 \(30\,dB\)
2 \(60\,dB\)
3 \(3\,dB\)
4 \(20\,dB\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365523 Negative feedback

1 Increases stability
2 Decreases stability
3 Produces rectification
4 None of these
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365524 In common emitter amplifier, input resistance is \(1000\Omega \), peak value of input signal voltage is 5\(mV\) and \(\beta = 60\). The peak value of output current is

1 \(3 \times {10^{ - 4}}A\)
2 \(0.5 \times {10^{ - 4}}A\)
3 \(2 \times {10^{ - 5}}A\)
4 \(1 \times {10^{ - 5}}A\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365520 For a tranistor amplifier, the voltage gain

1 Is low at high and low frequencies and constant at mid frequencies
2 Remains constant for all frequencies
3 Constant at high frequencies and low at low frequencies
4 Is high at high and low frequencies and constant in the middle frequency range
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365521 The \(dc\) common emitter current gain of a \(n\) - \(p\) - \(n\) transistor is 50. The potential difference applied across the collector and emitter of a transistor used in \(CE\) configuration is \({V_{CE}} = 2V\). If the collector resistance \({R_C} = 4k\Omega \), the base current \(\left( {{I_B}} \right)\) and the collector current \(\left( {{I_C}} \right)\) are

1 \({I_B} = 10\mu A,{I_C} = 0.5mA\)
2 \({I_B} = 0.5\mu A,{I_C} = 10mA\)
3 \({I_B} = 5\mu A,{I_C} = 1mA\)
4 \({I_B} = 1\mu A,{I_C} = 0.5mA\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365522 An amplifier has a voltage gain \(A_{V}=1000\). The voltage gain in \(dB\) is

1 \(30\,dB\)
2 \(60\,dB\)
3 \(3\,dB\)
4 \(20\,dB\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365523 Negative feedback

1 Increases stability
2 Decreases stability
3 Produces rectification
4 None of these
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365524 In common emitter amplifier, input resistance is \(1000\Omega \), peak value of input signal voltage is 5\(mV\) and \(\beta = 60\). The peak value of output current is

1 \(3 \times {10^{ - 4}}A\)
2 \(0.5 \times {10^{ - 4}}A\)
3 \(2 \times {10^{ - 5}}A\)
4 \(1 \times {10^{ - 5}}A\)