A. The light emitting diodes
B. Photo diodes
C. Photo voltaic cell
D. Solar cells.
Correct Answer: Photo diodes ✔
Last Updated: January 20, 2021
Related MCQs
- The rectangular voltage is an example of__________?
- An OP-AMPs can amplify__________?
- Acceptor and donor impurities donate__________?
- The electronic circuits which implement the various logic operations are called__________?
- In forward bias the width of potential barrier__________?
- In a half-wave rectifier the r.m.s. value of the A.C. component of the wave is__________?
- To obtain a p-type semi-conductor Si Crystal must be doped with foreign atoms whose valency is__________?
- The working of transistor as amplifier is similar to__________?
- An OP-AMP comparator is a circuit that compares the signal voltage on one of its inputs with a __________?
- Non-inverting amplifier circuits have__________?
- The operation of a transistor requires__________?
- To obtain an n-type semiconductor germanium crystal it must be doped with foreign atoms whose valency is__________?
- The operational amplifier is__________?
- The alternating voltage is an example of__________?
- The specially designed semi-conductor diodes used as fast counters in electronic circuits are__________?
- The device used for conversion of D.C. to A.C. is called__________?
- In half-wave rectification the output D.C. voltages is obtained across the load for__________?
- In full wave rectification the output D.C. voltage across the load is obtained for__________?
- In the transistor schematic symbol, the arrow__________?
- Which one of the following is not a donor impurity ?
- Forward current through a semi conductor diode circuit is due to__________?
- The value of resistivity for insulator is of the order of__________?
- Which one of following band is completely filled in case of conductors ?
- Depletion region of a junction is formed__________?
- The simplest type of rectification known as half wave rectification is obtained by__________?
- In p-n-p transistor the collector current is__________?
- Semi-conductors with donor atoms and free electrons belong to the type__________?
- The especially designed semiconductor diodes used as indicator lamps in electronic circuits are__________?
- The device or circuit used for conversion of A.C. into D.C. is called__________?
- The semiconductor diode can be used as a rectifier because __________?
- In the transistor schematic symbol, the arrow__________?
- Thermions are__________?
- Which one of the following has the greatest energy gap ?
- The velocity of an oscillating charge as it moves to and fro along a wire is always__________?
- Identify the correct statement about minority carriers__________?
- In n-p-n transistor, p works as__________?
- p-n junction when reversed biased acts as a__________?
- Semi-conductor germanium and silicon are__________?
- Electrons present in p-type material due to thermal pair generation are__________?