A light emitting diode(LED) has a voltage drop of 2 volt across it

A Light Emitting Diodeled Has A Voltage Drop Of 2 Physics Question

A light emitting diode(LED) has a voltage drop of 2 volt across it and passes a current of 10 mA when it operates with a 6 volt battery through a limiting resistor R. The value of R is

Options

(a) 40 kΩ
(b) 4 kΩ
(c) 200 kΩ
(d) 400 kΩ

Correct Answer:

400 kΩ

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

  1. A certain number of spherical dropes of a liquid of radius r coalesce to form a single
  2. Which of the following transitions will have highest emission wavelength?
  3. Einstein’s photoelectric equation is
  4. A thin prism of angle 15⁰ made of glass of refractive index µ₁ = 1.5 is combined
  5. To convert a 800 mV range millivoltmeter of resistance 40Ω into an ammeter of 100 mA

Topics: Electronic Devices (124)
Subject: Physics (2479)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*