Question
Easy
Solving time: 2 mins
The characteristic of an LED is
Found 6 tutors discussing this question
Discuss this question LIVE
9 mins ago
Text solutionVerified
Exp. (a)
To increase frequency of light emitted from LED (Light Emitting Diode) potential barrier to diode is increased, so for same value of current, higher value of voltage is required for higher frequency.
To increase frequency of light emitted from LED (Light Emitting Diode) potential barrier to diode is increased, so for same value of current, higher value of voltage is required for higher frequency.
Was this solution helpful?
52
Share
Report
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
60, 000+ Expert tutors
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Essay review
Get expert feedback on your essay
Schedule classes
High dosage tutoring from Dedicated 3 experts
Questions from JEE Mains 2013 - PYQs
Question 1
Medium
Views: 5,522
(a)
(b)
(c)
(d)
Question 2
Medium
Views: 5,438
Question 3
Medium
Views: 6,619
(a)
(b)
(c)
(d)
Question 4
Easy
Views: 5,622
Statement I: Higher the range, greater is the resistance of ammeter.
Statement II: To increase the range of ammeter, additional shunt needs to be used across it.
(a) Statement I is true, Statement II is true; Statement II is the correct explanation of Statement I
(b) Statement I is true, Statement II is true; Statement II is not the correct explanation of Statement I
(c) Statement I is true, Statement II is false
(d) Statement I is false, Statement II is true
Practice questions from Arihant Physics JEE Main Chapterwise Solutions (2019-2002) (Arihant)
Question 1
Medium
Views: 5,314
Question 2
Medium
Views: 5,411
(a)
(b)
(c)
(d)
Question 3
Medium
Views: 5,880
(a)
(b)
(c)
(d)
Practice questions from Semiconductor Electronics: Materials, Devices and Simple Circuits in the same exam
Question 2
Easy
Views: 5,844
Choose the correct answer from the options given below :
Question 3
Easy
Views: 5,760
Practice more questions from Semiconductor Electronics: Materials, Devices and Simple Circuits
Question 1
Medium
Views: 5,230
Question 2
Medium
Views: 6,094
Question 3
Medium
Views: 6,062
Practice questions on similar concepts asked by Filo students
Question 1
Views: 5,067
Question 2
Views: 5,960
Question 3
Views: 5,513
Question 4
Views: 5,452
Stuck on the question or explanation?
Connect with our Physics tutors online and get step by step solution of this question.
231 students are taking LIVE classes
Question Text | The characteristic of an LED is |
Topic | Semiconductor Electronics: Materials, Devices and Simple Circuits |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 |
Upvotes | 52 |