I-V Characteristics of LED, Photodiode, Solar Cell and Zener Diode
I-V Characteristics of LED, Photodiode, Solar Cell and Zener Diode: Overview
This Topic covers sub-topics such as Multimeter, Zener Diode, Solar Cell, Photo Diode, Light-Emitting Diode, Working of Solar Cell, Advantage of LED, Working of Photodiode, V-I Characteristics of Solar Cell, Avalanche Diode and, V-I Characteristics of LED
Important Questions on I-V Characteristics of LED, Photodiode, Solar Cell and Zener Diode
Which of the following is/are correct
(i) The symbol for zener diode is
(ii) The reverse I – V characteristics of a zener diode.
Solar cells are made of
What is the order of the reverse saturation current before breakdown in a zener diode?
Solar cell is a photodiode operated at
Identify characteristics are given below, in the order (i), (ii), (iii), (iv):
i. ii.
iii. iv.
Which of the characteristic curve are correct.
Photodiode for
Solar cell
L.E.D.
The reading corresponding to zener diode are given below in the table. From given table, determine the reverse breakdown voltage of the zener diode.
Forward bias | Reverse bias | ||
(volt) | (volt) | ||
Which of the characteristic curve are correct :
(A) Photo diode for
(B) Solar cell
(C) L.E.D
The NOR gate is OR gate followed by
Which of the following is not true in the uses of LEDs over conventional incandescent bulb.
Solar cell is a photodiode operated at
For the circuit shown below, the current through the Zener diode is :
In the given circuit the current through Zener Diode is close to
In the figure shown, the currents through the zener diode and load resistance are respectively
Three photodiodes and are made of semiconductors having band gaps of and , respectively. Which one will be able to detect light of wavelength of ?
To measure light intensity we use
Find the correct value of current ( and ) in the circuit shown in the figure.
In the given circuit, the supply voltage is . The Zener-diode operates at a minimum diode current of . Calculate the range over which load resistance can be varied.
In a photodiode the conductivity increases when light of wavelength less than is incident. The band gap is
The correct symbol for Zener diode is :-