A light emitting diode(LED) has a voltage drop of 2 volt across it

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.

admin:

Related Questions

  1. An ideal heat engine works between temperature T₁=500 K and T₂=375 K.
  2. The quantity having the same units in all systems of unit is
  3. A total charge of 5µC is distributed uniformly on the surface of the thin walled
  4. In refraction, light waves are bent on passing from one medium to the second medium
  5. The amplitude of S.H.M. y=2 (sin 5πt+√2 cos 5πt) is