Define photo resistor. State its symbol and its two applications. 
by

1 Answer

0 like 0 dislike
Definition: It is a type of semiconductor whose electrical resistance decreases as the intensity of incident light increases.

Applications: i) It is used for automatic lighting control. ii)It is used in the street light control. iii)It is used in photocopy machine to control density of toner. iv)It is used in security alarm. v)It is used in camera for Exposure meter.
by

Related questions

1 answer
1 answer
1 answer
asked Jul 30 by Someone | 154 views
1 answer
asked Sep 19, 2018 by Someone | 18 views
1 answer
asked Sep 7, 2018 by Zeeshan | 7 views
1 answer
1 answer
1 answer
asked Aug 8, 2018 by Quiz | 180 views
2 answers
1 answer
1 answer
1 answer
1 answer
1 answer
asked Sep 5, 2018 by Someone | 15 views
1 answer
asked Sep 4, 2018 by Someone | 16 views
2 answers
asked Sep 4, 2018 by Someone | 16 views
1 answer
asked Sep 3, 2018 by Someone | 11 views
1 answer
asked Aug 4 by Someone | 6 views
1 answer
asked Jul 26 by Someone | 9 views
1 answer
1 answer