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

365507 A transistor is used as a common emitter amplifier with a load resistance \(2k\Omega \). The input resistance is \(150\Omega \). Base current is changed by \(20\mu A\) which results in a change in collector current by 1.5\(mA\). The voltage gain of the amplifier is

1 \(900\)
2 \(1000\)
3 \(1100\)
4 \(1200\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365508 For a transistor, the current ratio \({\alpha _{DC}}\) is \(\frac{{69}}{{70}}\) The current gain \({\beta _{DC}}\) is

1 \(66\)
2 \(67\)
3 \(69\)
4 \(71\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365509 In a \(CE\) transistor amplifier, the audio signal voltage across the collector resistance of \(2k\Omega \) is 2\(V\). If the base resistance is \(1k\Omega \) and the current amplification of the transistor is 100, the input signal voltage is

1 \(1.0\,V\)
2 \(0.1\,V\)
3 \(10\,mV\)
4 \(1\,mV\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365510 The input resistance of a common emitter transistor amplifier, if the output resistance is \(500\,{\rm{k}}\Omega \), the current gain is \(\alpha=0.98\) and power gain is \(6.0625 \times 10^{6}\) is

1 \(400\,\Omega \)
2 \(198\,\Omega \)
3 \(300\,\Omega \)
4 \(100\,\Omega \)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365511 In the circuit shown in the figure, the input voltage \({V_i}\) is 20 \(V\),\({V_{BE}} = 0\) and \({V_{CE}} = 0\).The values of \({I_B},{I_C}\) and \(\beta \) are given by
supporting img

1 \({I_B} = 20\mu A,{I_C} = 5mA,\beta = 250\)
2 \({I_B} = 40\mu A,{I_C} = 5mA,\beta = 125\)
3 \({I_B} = 25\mu A,{I_C} = 5mA,\beta = 200\)
4 \({I_B} = 40\mu A,{I_C} = 10mA,\beta = 250\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365507 A transistor is used as a common emitter amplifier with a load resistance \(2k\Omega \). The input resistance is \(150\Omega \). Base current is changed by \(20\mu A\) which results in a change in collector current by 1.5\(mA\). The voltage gain of the amplifier is

1 \(900\)
2 \(1000\)
3 \(1100\)
4 \(1200\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365508 For a transistor, the current ratio \({\alpha _{DC}}\) is \(\frac{{69}}{{70}}\) The current gain \({\beta _{DC}}\) is

1 \(66\)
2 \(67\)
3 \(69\)
4 \(71\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365509 In a \(CE\) transistor amplifier, the audio signal voltage across the collector resistance of \(2k\Omega \) is 2\(V\). If the base resistance is \(1k\Omega \) and the current amplification of the transistor is 100, the input signal voltage is

1 \(1.0\,V\)
2 \(0.1\,V\)
3 \(10\,mV\)
4 \(1\,mV\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365510 The input resistance of a common emitter transistor amplifier, if the output resistance is \(500\,{\rm{k}}\Omega \), the current gain is \(\alpha=0.98\) and power gain is \(6.0625 \times 10^{6}\) is

1 \(400\,\Omega \)
2 \(198\,\Omega \)
3 \(300\,\Omega \)
4 \(100\,\Omega \)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365511 In the circuit shown in the figure, the input voltage \({V_i}\) is 20 \(V\),\({V_{BE}} = 0\) and \({V_{CE}} = 0\).The values of \({I_B},{I_C}\) and \(\beta \) are given by
supporting img

1 \({I_B} = 20\mu A,{I_C} = 5mA,\beta = 250\)
2 \({I_B} = 40\mu A,{I_C} = 5mA,\beta = 125\)
3 \({I_B} = 25\mu A,{I_C} = 5mA,\beta = 200\)
4 \({I_B} = 40\mu A,{I_C} = 10mA,\beta = 250\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365507 A transistor is used as a common emitter amplifier with a load resistance \(2k\Omega \). The input resistance is \(150\Omega \). Base current is changed by \(20\mu A\) which results in a change in collector current by 1.5\(mA\). The voltage gain of the amplifier is

1 \(900\)
2 \(1000\)
3 \(1100\)
4 \(1200\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365508 For a transistor, the current ratio \({\alpha _{DC}}\) is \(\frac{{69}}{{70}}\) The current gain \({\beta _{DC}}\) is

1 \(66\)
2 \(67\)
3 \(69\)
4 \(71\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365509 In a \(CE\) transistor amplifier, the audio signal voltage across the collector resistance of \(2k\Omega \) is 2\(V\). If the base resistance is \(1k\Omega \) and the current amplification of the transistor is 100, the input signal voltage is

1 \(1.0\,V\)
2 \(0.1\,V\)
3 \(10\,mV\)
4 \(1\,mV\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365510 The input resistance of a common emitter transistor amplifier, if the output resistance is \(500\,{\rm{k}}\Omega \), the current gain is \(\alpha=0.98\) and power gain is \(6.0625 \times 10^{6}\) is

1 \(400\,\Omega \)
2 \(198\,\Omega \)
3 \(300\,\Omega \)
4 \(100\,\Omega \)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365511 In the circuit shown in the figure, the input voltage \({V_i}\) is 20 \(V\),\({V_{BE}} = 0\) and \({V_{CE}} = 0\).The values of \({I_B},{I_C}\) and \(\beta \) are given by
supporting img

1 \({I_B} = 20\mu A,{I_C} = 5mA,\beta = 250\)
2 \({I_B} = 40\mu A,{I_C} = 5mA,\beta = 125\)
3 \({I_B} = 25\mu A,{I_C} = 5mA,\beta = 200\)
4 \({I_B} = 40\mu A,{I_C} = 10mA,\beta = 250\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365507 A transistor is used as a common emitter amplifier with a load resistance \(2k\Omega \). The input resistance is \(150\Omega \). Base current is changed by \(20\mu A\) which results in a change in collector current by 1.5\(mA\). The voltage gain of the amplifier is

1 \(900\)
2 \(1000\)
3 \(1100\)
4 \(1200\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365508 For a transistor, the current ratio \({\alpha _{DC}}\) is \(\frac{{69}}{{70}}\) The current gain \({\beta _{DC}}\) is

1 \(66\)
2 \(67\)
3 \(69\)
4 \(71\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365509 In a \(CE\) transistor amplifier, the audio signal voltage across the collector resistance of \(2k\Omega \) is 2\(V\). If the base resistance is \(1k\Omega \) and the current amplification of the transistor is 100, the input signal voltage is

1 \(1.0\,V\)
2 \(0.1\,V\)
3 \(10\,mV\)
4 \(1\,mV\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365510 The input resistance of a common emitter transistor amplifier, if the output resistance is \(500\,{\rm{k}}\Omega \), the current gain is \(\alpha=0.98\) and power gain is \(6.0625 \times 10^{6}\) is

1 \(400\,\Omega \)
2 \(198\,\Omega \)
3 \(300\,\Omega \)
4 \(100\,\Omega \)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365511 In the circuit shown in the figure, the input voltage \({V_i}\) is 20 \(V\),\({V_{BE}} = 0\) and \({V_{CE}} = 0\).The values of \({I_B},{I_C}\) and \(\beta \) are given by
supporting img

1 \({I_B} = 20\mu A,{I_C} = 5mA,\beta = 250\)
2 \({I_B} = 40\mu A,{I_C} = 5mA,\beta = 125\)
3 \({I_B} = 25\mu A,{I_C} = 5mA,\beta = 200\)
4 \({I_B} = 40\mu A,{I_C} = 10mA,\beta = 250\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365507 A transistor is used as a common emitter amplifier with a load resistance \(2k\Omega \). The input resistance is \(150\Omega \). Base current is changed by \(20\mu A\) which results in a change in collector current by 1.5\(mA\). The voltage gain of the amplifier is

1 \(900\)
2 \(1000\)
3 \(1100\)
4 \(1200\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365508 For a transistor, the current ratio \({\alpha _{DC}}\) is \(\frac{{69}}{{70}}\) The current gain \({\beta _{DC}}\) is

1 \(66\)
2 \(67\)
3 \(69\)
4 \(71\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365509 In a \(CE\) transistor amplifier, the audio signal voltage across the collector resistance of \(2k\Omega \) is 2\(V\). If the base resistance is \(1k\Omega \) and the current amplification of the transistor is 100, the input signal voltage is

1 \(1.0\,V\)
2 \(0.1\,V\)
3 \(10\,mV\)
4 \(1\,mV\)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365510 The input resistance of a common emitter transistor amplifier, if the output resistance is \(500\,{\rm{k}}\Omega \), the current gain is \(\alpha=0.98\) and power gain is \(6.0625 \times 10^{6}\) is

1 \(400\,\Omega \)
2 \(198\,\Omega \)
3 \(300\,\Omega \)
4 \(100\,\Omega \)
PHXII14:SEMICONDUCTOR ELECTRONICS- MATERIALS- DEVICES AND SIMPLE CIRCUITS

365511 In the circuit shown in the figure, the input voltage \({V_i}\) is 20 \(V\),\({V_{BE}} = 0\) and \({V_{CE}} = 0\).The values of \({I_B},{I_C}\) and \(\beta \) are given by
supporting img

1 \({I_B} = 20\mu A,{I_C} = 5mA,\beta = 250\)
2 \({I_B} = 40\mu A,{I_C} = 5mA,\beta = 125\)
3 \({I_B} = 25\mu A,{I_C} = 5mA,\beta = 200\)
4 \({I_B} = 40\mu A,{I_C} = 10mA,\beta = 250\)