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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 straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T.
- ln a surrounding medium of temperature 10⁰C a body takes 7 min for a fall
- The voltage of clouds is 4×10⁶ volt with respect to ground. In a lightening
- Radius of orbit of satellite of earth is R. Its kinetic energy is proportional to
- A conductor of length 5 cm is moved parallel to itself with a speed of 2 m/s,
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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