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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
- Two wires of equal length and equal diameter and having resistivities ρ₁ and ρ₂
- The horizontal range of a projectile is 4√3 times the maximum height achieved
- The resistance of an ammeter is 13Ω and its scale is graduated for a current
- Curie is the unit of
- The minimum velocity (in ms⁻¹) with which a car driver must traverse a flat curve
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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