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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 ∆U and ∆W represent the increase in internal energy and work done by the system
- The potential energy of a simple harmonic oscillator when the particle is half way
- The time period of a mass suspended from a spring is T. If the spring is cut into four
- In the Bohr’s model of hydrogen atom, the ratio of the kinetic energy to the total
- The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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