Diode -(P-n Junction Diode Forward and Reverse Bias)
Semiconductor Electronics Material Devices and Simple Circuits

150851 The depletion layer thickness of a p junction is \(10^{-6} \mathrm{~m}\). If the potential across it is \(0.2 \mathrm{~V}\). then the electric field will be

1 \(10^7 \mathrm{~V} / \mathrm{m}\)
2 \(2 \times 10^5 \mathrm{~V} / \mathrm{m}\)
3 \(10^5 \mathrm{~V} / \mathrm{m}\)
4 \(10^{-5} \mathrm{~V} / \mathrm{m}\)
Semiconductor Electronics Material Devices and Simple Circuits

150862 A reverse biased diode is

1 original image
2 original image
3 original image
4 original image
Semiconductor Electronics Material Devices and Simple Circuits

150867 In a full - wave rectifier circuit operating from \(60 \mathrm{~Hz}\) main frequency, the fundamental frequency in ripple would be

1 \(100 \mathrm{~Hz}\)
2 \(60 \mathrm{~Hz}\)
3 \(50 \mathrm{~Hz}\)
4 \(120 \mathrm{~Hz}\)
Semiconductor Electronics Material Devices and Simple Circuits

150869 Consider the following statements
Statement (A) : The resistance of an ideal diode in forward biased condition is zero.
Statement (B) : In a half wave rectifier, the load current flows only for every half cycle of the input signals.
Statement (C) : In the breakdown region, a zener diode behaves as a constant voltage source.

1 \(\mathrm{A}, \mathrm{B} \& \mathrm{C}\) are all true.
2 A, B true but \(\mathrm{C}\) is false
3 A, C true but \(\mathrm{B}\) is false
4 B, C true but \(\mathrm{A}\) is false
Semiconductor Electronics Material Devices and Simple Circuits

150925 In a full wave rectifier circuit operating from \(50 \mathrm{~Hz}\) mains frequency, what is the fundamental frequency in the ripple?

1 \(50 \mathrm{~Hz}\)
2 \(100 \mathrm{~Hz}\)
3 \(25 \mathrm{~Hz}\)
4 \(70 \mathrm{~Hz}\)
Semiconductor Electronics Material Devices and Simple Circuits

150851 The depletion layer thickness of a p junction is \(10^{-6} \mathrm{~m}\). If the potential across it is \(0.2 \mathrm{~V}\). then the electric field will be

1 \(10^7 \mathrm{~V} / \mathrm{m}\)
2 \(2 \times 10^5 \mathrm{~V} / \mathrm{m}\)
3 \(10^5 \mathrm{~V} / \mathrm{m}\)
4 \(10^{-5} \mathrm{~V} / \mathrm{m}\)
Semiconductor Electronics Material Devices and Simple Circuits

150862 A reverse biased diode is

1 original image
2 original image
3 original image
4 original image
Semiconductor Electronics Material Devices and Simple Circuits

150867 In a full - wave rectifier circuit operating from \(60 \mathrm{~Hz}\) main frequency, the fundamental frequency in ripple would be

1 \(100 \mathrm{~Hz}\)
2 \(60 \mathrm{~Hz}\)
3 \(50 \mathrm{~Hz}\)
4 \(120 \mathrm{~Hz}\)
Semiconductor Electronics Material Devices and Simple Circuits

150869 Consider the following statements
Statement (A) : The resistance of an ideal diode in forward biased condition is zero.
Statement (B) : In a half wave rectifier, the load current flows only for every half cycle of the input signals.
Statement (C) : In the breakdown region, a zener diode behaves as a constant voltage source.

1 \(\mathrm{A}, \mathrm{B} \& \mathrm{C}\) are all true.
2 A, B true but \(\mathrm{C}\) is false
3 A, C true but \(\mathrm{B}\) is false
4 B, C true but \(\mathrm{A}\) is false
Semiconductor Electronics Material Devices and Simple Circuits

150925 In a full wave rectifier circuit operating from \(50 \mathrm{~Hz}\) mains frequency, what is the fundamental frequency in the ripple?

1 \(50 \mathrm{~Hz}\)
2 \(100 \mathrm{~Hz}\)
3 \(25 \mathrm{~Hz}\)
4 \(70 \mathrm{~Hz}\)
Semiconductor Electronics Material Devices and Simple Circuits

150851 The depletion layer thickness of a p junction is \(10^{-6} \mathrm{~m}\). If the potential across it is \(0.2 \mathrm{~V}\). then the electric field will be

1 \(10^7 \mathrm{~V} / \mathrm{m}\)
2 \(2 \times 10^5 \mathrm{~V} / \mathrm{m}\)
3 \(10^5 \mathrm{~V} / \mathrm{m}\)
4 \(10^{-5} \mathrm{~V} / \mathrm{m}\)
Semiconductor Electronics Material Devices and Simple Circuits

150862 A reverse biased diode is

1 original image
2 original image
3 original image
4 original image
Semiconductor Electronics Material Devices and Simple Circuits

150867 In a full - wave rectifier circuit operating from \(60 \mathrm{~Hz}\) main frequency, the fundamental frequency in ripple would be

1 \(100 \mathrm{~Hz}\)
2 \(60 \mathrm{~Hz}\)
3 \(50 \mathrm{~Hz}\)
4 \(120 \mathrm{~Hz}\)
Semiconductor Electronics Material Devices and Simple Circuits

150869 Consider the following statements
Statement (A) : The resistance of an ideal diode in forward biased condition is zero.
Statement (B) : In a half wave rectifier, the load current flows only for every half cycle of the input signals.
Statement (C) : In the breakdown region, a zener diode behaves as a constant voltage source.

1 \(\mathrm{A}, \mathrm{B} \& \mathrm{C}\) are all true.
2 A, B true but \(\mathrm{C}\) is false
3 A, C true but \(\mathrm{B}\) is false
4 B, C true but \(\mathrm{A}\) is false
Semiconductor Electronics Material Devices and Simple Circuits

150925 In a full wave rectifier circuit operating from \(50 \mathrm{~Hz}\) mains frequency, what is the fundamental frequency in the ripple?

1 \(50 \mathrm{~Hz}\)
2 \(100 \mathrm{~Hz}\)
3 \(25 \mathrm{~Hz}\)
4 \(70 \mathrm{~Hz}\)
Semiconductor Electronics Material Devices and Simple Circuits

150851 The depletion layer thickness of a p junction is \(10^{-6} \mathrm{~m}\). If the potential across it is \(0.2 \mathrm{~V}\). then the electric field will be

1 \(10^7 \mathrm{~V} / \mathrm{m}\)
2 \(2 \times 10^5 \mathrm{~V} / \mathrm{m}\)
3 \(10^5 \mathrm{~V} / \mathrm{m}\)
4 \(10^{-5} \mathrm{~V} / \mathrm{m}\)
Semiconductor Electronics Material Devices and Simple Circuits

150862 A reverse biased diode is

1 original image
2 original image
3 original image
4 original image
Semiconductor Electronics Material Devices and Simple Circuits

150867 In a full - wave rectifier circuit operating from \(60 \mathrm{~Hz}\) main frequency, the fundamental frequency in ripple would be

1 \(100 \mathrm{~Hz}\)
2 \(60 \mathrm{~Hz}\)
3 \(50 \mathrm{~Hz}\)
4 \(120 \mathrm{~Hz}\)
Semiconductor Electronics Material Devices and Simple Circuits

150869 Consider the following statements
Statement (A) : The resistance of an ideal diode in forward biased condition is zero.
Statement (B) : In a half wave rectifier, the load current flows only for every half cycle of the input signals.
Statement (C) : In the breakdown region, a zener diode behaves as a constant voltage source.

1 \(\mathrm{A}, \mathrm{B} \& \mathrm{C}\) are all true.
2 A, B true but \(\mathrm{C}\) is false
3 A, C true but \(\mathrm{B}\) is false
4 B, C true but \(\mathrm{A}\) is false
Semiconductor Electronics Material Devices and Simple Circuits

150925 In a full wave rectifier circuit operating from \(50 \mathrm{~Hz}\) mains frequency, what is the fundamental frequency in the ripple?

1 \(50 \mathrm{~Hz}\)
2 \(100 \mathrm{~Hz}\)
3 \(25 \mathrm{~Hz}\)
4 \(70 \mathrm{~Hz}\)
Semiconductor Electronics Material Devices and Simple Circuits

150851 The depletion layer thickness of a p junction is \(10^{-6} \mathrm{~m}\). If the potential across it is \(0.2 \mathrm{~V}\). then the electric field will be

1 \(10^7 \mathrm{~V} / \mathrm{m}\)
2 \(2 \times 10^5 \mathrm{~V} / \mathrm{m}\)
3 \(10^5 \mathrm{~V} / \mathrm{m}\)
4 \(10^{-5} \mathrm{~V} / \mathrm{m}\)
Semiconductor Electronics Material Devices and Simple Circuits

150862 A reverse biased diode is

1 original image
2 original image
3 original image
4 original image
Semiconductor Electronics Material Devices and Simple Circuits

150867 In a full - wave rectifier circuit operating from \(60 \mathrm{~Hz}\) main frequency, the fundamental frequency in ripple would be

1 \(100 \mathrm{~Hz}\)
2 \(60 \mathrm{~Hz}\)
3 \(50 \mathrm{~Hz}\)
4 \(120 \mathrm{~Hz}\)
Semiconductor Electronics Material Devices and Simple Circuits

150869 Consider the following statements
Statement (A) : The resistance of an ideal diode in forward biased condition is zero.
Statement (B) : In a half wave rectifier, the load current flows only for every half cycle of the input signals.
Statement (C) : In the breakdown region, a zener diode behaves as a constant voltage source.

1 \(\mathrm{A}, \mathrm{B} \& \mathrm{C}\) are all true.
2 A, B true but \(\mathrm{C}\) is false
3 A, C true but \(\mathrm{B}\) is false
4 B, C true but \(\mathrm{A}\) is false
Semiconductor Electronics Material Devices and Simple Circuits

150925 In a full wave rectifier circuit operating from \(50 \mathrm{~Hz}\) mains frequency, what is the fundamental frequency in the ripple?

1 \(50 \mathrm{~Hz}\)
2 \(100 \mathrm{~Hz}\)
3 \(25 \mathrm{~Hz}\)
4 \(70 \mathrm{~Hz}\)