Zener Diode (Zener Breakdown),Voltage Regulator
Semiconductor Electronics Material Devices and Simple Circuits

150950 In a Zener diode, the reverse bias voltage is \(3 \mathrm{~V}\) and the width of the depletion region is \(300 \AA\) the electric field intensity will be \(\mathrm{V} / \mathrm{cm}\)

1 \(10^4\)
2 \(10^6\)
3 \(10^8\)
4 \(10^{-2}\)
Semiconductor Electronics Material Devices and Simple Circuits

150951 Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 10 and second has a voltage gain of 20 . If the input signal is \(\mathbf{0 . 0 1}\) volt, what is the output ac signal?

1 \(1.5 \mathrm{~V}\)
2 \(2 \mathrm{~V}\)
3 \(2.5 \mathrm{~V}\)
4 \(3.0 \mathrm{~V}\)
Semiconductor Electronics Material Devices and Simple Circuits

150956 A Zener diode, having breakdown voltage equal to \(15 \mathrm{~V}\) is used in a voltage regulator circuit shown in figure. The current through the diode is
original image

1 \(10 \mathrm{~mA}\)
2 \(15 \mathrm{~mA}\)
3 \(20 \mathrm{~mA}\)
4 \(5 \mathrm{~mA}\)
Semiconductor Electronics Material Devices and Simple Circuits

150960 In the circuit shown below if the current through the \(500 \Omega\) resistor is \(25 \mathrm{~mA}\) and that through the load \(R_L\) is \(5 \mathrm{~mA}\), then the maximum current through the Zener diode is
original image

1 \(5 \mathrm{~mA}\)
2 \(20 \mathrm{~mA}\)
3 \(30 \mathrm{~mA}\)
4 \(125 \mathrm{~mA}\)
Semiconductor Electronics Material Devices and Simple Circuits

150950 In a Zener diode, the reverse bias voltage is \(3 \mathrm{~V}\) and the width of the depletion region is \(300 \AA\) the electric field intensity will be \(\mathrm{V} / \mathrm{cm}\)

1 \(10^4\)
2 \(10^6\)
3 \(10^8\)
4 \(10^{-2}\)
Semiconductor Electronics Material Devices and Simple Circuits

150951 Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 10 and second has a voltage gain of 20 . If the input signal is \(\mathbf{0 . 0 1}\) volt, what is the output ac signal?

1 \(1.5 \mathrm{~V}\)
2 \(2 \mathrm{~V}\)
3 \(2.5 \mathrm{~V}\)
4 \(3.0 \mathrm{~V}\)
Semiconductor Electronics Material Devices and Simple Circuits

150956 A Zener diode, having breakdown voltage equal to \(15 \mathrm{~V}\) is used in a voltage regulator circuit shown in figure. The current through the diode is
original image

1 \(10 \mathrm{~mA}\)
2 \(15 \mathrm{~mA}\)
3 \(20 \mathrm{~mA}\)
4 \(5 \mathrm{~mA}\)
Semiconductor Electronics Material Devices and Simple Circuits

150960 In the circuit shown below if the current through the \(500 \Omega\) resistor is \(25 \mathrm{~mA}\) and that through the load \(R_L\) is \(5 \mathrm{~mA}\), then the maximum current through the Zener diode is
original image

1 \(5 \mathrm{~mA}\)
2 \(20 \mathrm{~mA}\)
3 \(30 \mathrm{~mA}\)
4 \(125 \mathrm{~mA}\)
Semiconductor Electronics Material Devices and Simple Circuits

150950 In a Zener diode, the reverse bias voltage is \(3 \mathrm{~V}\) and the width of the depletion region is \(300 \AA\) the electric field intensity will be \(\mathrm{V} / \mathrm{cm}\)

1 \(10^4\)
2 \(10^6\)
3 \(10^8\)
4 \(10^{-2}\)
Semiconductor Electronics Material Devices and Simple Circuits

150951 Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 10 and second has a voltage gain of 20 . If the input signal is \(\mathbf{0 . 0 1}\) volt, what is the output ac signal?

1 \(1.5 \mathrm{~V}\)
2 \(2 \mathrm{~V}\)
3 \(2.5 \mathrm{~V}\)
4 \(3.0 \mathrm{~V}\)
Semiconductor Electronics Material Devices and Simple Circuits

150956 A Zener diode, having breakdown voltage equal to \(15 \mathrm{~V}\) is used in a voltage regulator circuit shown in figure. The current through the diode is
original image

1 \(10 \mathrm{~mA}\)
2 \(15 \mathrm{~mA}\)
3 \(20 \mathrm{~mA}\)
4 \(5 \mathrm{~mA}\)
Semiconductor Electronics Material Devices and Simple Circuits

150960 In the circuit shown below if the current through the \(500 \Omega\) resistor is \(25 \mathrm{~mA}\) and that through the load \(R_L\) is \(5 \mathrm{~mA}\), then the maximum current through the Zener diode is
original image

1 \(5 \mathrm{~mA}\)
2 \(20 \mathrm{~mA}\)
3 \(30 \mathrm{~mA}\)
4 \(125 \mathrm{~mA}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Semiconductor Electronics Material Devices and Simple Circuits

150950 In a Zener diode, the reverse bias voltage is \(3 \mathrm{~V}\) and the width of the depletion region is \(300 \AA\) the electric field intensity will be \(\mathrm{V} / \mathrm{cm}\)

1 \(10^4\)
2 \(10^6\)
3 \(10^8\)
4 \(10^{-2}\)
Semiconductor Electronics Material Devices and Simple Circuits

150951 Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 10 and second has a voltage gain of 20 . If the input signal is \(\mathbf{0 . 0 1}\) volt, what is the output ac signal?

1 \(1.5 \mathrm{~V}\)
2 \(2 \mathrm{~V}\)
3 \(2.5 \mathrm{~V}\)
4 \(3.0 \mathrm{~V}\)
Semiconductor Electronics Material Devices and Simple Circuits

150956 A Zener diode, having breakdown voltage equal to \(15 \mathrm{~V}\) is used in a voltage regulator circuit shown in figure. The current through the diode is
original image

1 \(10 \mathrm{~mA}\)
2 \(15 \mathrm{~mA}\)
3 \(20 \mathrm{~mA}\)
4 \(5 \mathrm{~mA}\)
Semiconductor Electronics Material Devices and Simple Circuits

150960 In the circuit shown below if the current through the \(500 \Omega\) resistor is \(25 \mathrm{~mA}\) and that through the load \(R_L\) is \(5 \mathrm{~mA}\), then the maximum current through the Zener diode is
original image

1 \(5 \mathrm{~mA}\)
2 \(20 \mathrm{~mA}\)
3 \(30 \mathrm{~mA}\)
4 \(125 \mathrm{~mA}\)