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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.
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If in an experiment for determination of velocity of sound by resonance tube
- Two simple harmonic motions of angular frequency 100 and 1000 rad s⁻¹ have the same
- Changing magnetic fields can set up current loops in nearby metal bodies
- A solid body rotates about a stationary axis, so that its angular velocity
- A body weighs 50 grams in air and 40 grams in water. How much would it weigh in a liquid
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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