Junction Transistors (npn, pnp)
Semiconductor Electronics Material Devices and Simple Circuits

151044 A common emitter amplifier has a voltage gain of 50, an input impedance of \(100 \Omega\) and an output impedance of \(200 \Omega\). The power gain of the amplifier is

1 500
2 1000
3 1250
4 100
Semiconductor Electronics Material Devices and Simple Circuits

151045 The collector resistance and the input resistance of \(\mathrm{CE}\) amplifier are respectively 10 \(\mathrm{k} \Omega\) and \(2 \mathrm{k} \Omega\). If \(\beta\) of the transistor is 49 , the voltage gain of the amplifier is

1 125
2 150
3 175
4 200
5 245
Semiconductor Electronics Material Devices and Simple Circuits

151047 In a common emitter transistor amplifier, the output resistance is \(500 \mathrm{k} \Omega\) and the current gain \(\beta=49\). If the power gain of the amplifier is \(\mathbf{5} \times 10^6\), the input resistance is

1 \(325 \Omega\)
2 \(165 \Omega\)
3 \(198 \Omega\)
4 \(225 \Omega\)
5 \(240 \Omega\)
Semiconductor Electronics Material Devices and Simple Circuits

151048 The collector supply voltage is \(6 \mathrm{~V}\) and the voltage drop across a resistor of \(600 \Omega\) in the collector circuit is \(0.6 \mathrm{~V}\), in a transistor connected in common emitter mode. If the current gain is 20 , the base current is

1 \(0.25 \mathrm{~mA}\)
2 \(0.05 \mathrm{~mA}\)
3 \(0.12 \mathrm{~mA}\)
4 \(0.02 \mathrm{~mA}\)
5 \(0.07 \mathrm{~mA}\)
Semiconductor Electronics Material Devices and Simple Circuits

151044 A common emitter amplifier has a voltage gain of 50, an input impedance of \(100 \Omega\) and an output impedance of \(200 \Omega\). The power gain of the amplifier is

1 500
2 1000
3 1250
4 100
Semiconductor Electronics Material Devices and Simple Circuits

151045 The collector resistance and the input resistance of \(\mathrm{CE}\) amplifier are respectively 10 \(\mathrm{k} \Omega\) and \(2 \mathrm{k} \Omega\). If \(\beta\) of the transistor is 49 , the voltage gain of the amplifier is

1 125
2 150
3 175
4 200
5 245
Semiconductor Electronics Material Devices and Simple Circuits

151047 In a common emitter transistor amplifier, the output resistance is \(500 \mathrm{k} \Omega\) and the current gain \(\beta=49\). If the power gain of the amplifier is \(\mathbf{5} \times 10^6\), the input resistance is

1 \(325 \Omega\)
2 \(165 \Omega\)
3 \(198 \Omega\)
4 \(225 \Omega\)
5 \(240 \Omega\)
Semiconductor Electronics Material Devices and Simple Circuits

151048 The collector supply voltage is \(6 \mathrm{~V}\) and the voltage drop across a resistor of \(600 \Omega\) in the collector circuit is \(0.6 \mathrm{~V}\), in a transistor connected in common emitter mode. If the current gain is 20 , the base current is

1 \(0.25 \mathrm{~mA}\)
2 \(0.05 \mathrm{~mA}\)
3 \(0.12 \mathrm{~mA}\)
4 \(0.02 \mathrm{~mA}\)
5 \(0.07 \mathrm{~mA}\)
Semiconductor Electronics Material Devices and Simple Circuits

151044 A common emitter amplifier has a voltage gain of 50, an input impedance of \(100 \Omega\) and an output impedance of \(200 \Omega\). The power gain of the amplifier is

1 500
2 1000
3 1250
4 100
Semiconductor Electronics Material Devices and Simple Circuits

151045 The collector resistance and the input resistance of \(\mathrm{CE}\) amplifier are respectively 10 \(\mathrm{k} \Omega\) and \(2 \mathrm{k} \Omega\). If \(\beta\) of the transistor is 49 , the voltage gain of the amplifier is

1 125
2 150
3 175
4 200
5 245
Semiconductor Electronics Material Devices and Simple Circuits

151047 In a common emitter transistor amplifier, the output resistance is \(500 \mathrm{k} \Omega\) and the current gain \(\beta=49\). If the power gain of the amplifier is \(\mathbf{5} \times 10^6\), the input resistance is

1 \(325 \Omega\)
2 \(165 \Omega\)
3 \(198 \Omega\)
4 \(225 \Omega\)
5 \(240 \Omega\)
Semiconductor Electronics Material Devices and Simple Circuits

151048 The collector supply voltage is \(6 \mathrm{~V}\) and the voltage drop across a resistor of \(600 \Omega\) in the collector circuit is \(0.6 \mathrm{~V}\), in a transistor connected in common emitter mode. If the current gain is 20 , the base current is

1 \(0.25 \mathrm{~mA}\)
2 \(0.05 \mathrm{~mA}\)
3 \(0.12 \mathrm{~mA}\)
4 \(0.02 \mathrm{~mA}\)
5 \(0.07 \mathrm{~mA}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Semiconductor Electronics Material Devices and Simple Circuits

151044 A common emitter amplifier has a voltage gain of 50, an input impedance of \(100 \Omega\) and an output impedance of \(200 \Omega\). The power gain of the amplifier is

1 500
2 1000
3 1250
4 100
Semiconductor Electronics Material Devices and Simple Circuits

151045 The collector resistance and the input resistance of \(\mathrm{CE}\) amplifier are respectively 10 \(\mathrm{k} \Omega\) and \(2 \mathrm{k} \Omega\). If \(\beta\) of the transistor is 49 , the voltage gain of the amplifier is

1 125
2 150
3 175
4 200
5 245
Semiconductor Electronics Material Devices and Simple Circuits

151047 In a common emitter transistor amplifier, the output resistance is \(500 \mathrm{k} \Omega\) and the current gain \(\beta=49\). If the power gain of the amplifier is \(\mathbf{5} \times 10^6\), the input resistance is

1 \(325 \Omega\)
2 \(165 \Omega\)
3 \(198 \Omega\)
4 \(225 \Omega\)
5 \(240 \Omega\)
Semiconductor Electronics Material Devices and Simple Circuits

151048 The collector supply voltage is \(6 \mathrm{~V}\) and the voltage drop across a resistor of \(600 \Omega\) in the collector circuit is \(0.6 \mathrm{~V}\), in a transistor connected in common emitter mode. If the current gain is 20 , the base current is

1 \(0.25 \mathrm{~mA}\)
2 \(0.05 \mathrm{~mA}\)
3 \(0.12 \mathrm{~mA}\)
4 \(0.02 \mathrm{~mA}\)
5 \(0.07 \mathrm{~mA}\)