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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
- A solid cylinder of mass 50kg and radius 0.5 m is, free to rotate about the horizontal axis
- An ideal gas is compressed to half its initial volume by means of several processes.
- When a ball is thrown up vertically with velocity vₒ,it reaches a maximum height
- An inductor 20 mH, a capacitor 50 μF and a resistor 40Ω are connected in series
- A car sounding a horn of frequency 100 Hz passes an observer. The ratio
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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