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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
- Aperture of human eye is 0.2 cm. The minimum magnifying power of a visual
- A battery charges a parallel plate capacitor seperated by distance(d) so that the energy
- The value of Planck’s constant is
- A force F=ai+3j+6k is acting at a point r=2i-6j-12k. The value of α for
- The resistance in the two arms of the meter bridge are 5Ω and RΩ, respectively
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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