In the circuit, if the forward voltage drop for the diode is 0.5V, the current will be 

(a) 3.4 mA
(b) 2 mA
(c) 2.5 mA
(d) 3 mA

(a) The voltage drop across resistance = 8 – 0.5 = 7.5 V

 Current i= 7.52.2×103=3.4 mA

Difficulty Level:

  • 60%
  • 24%
  • 11%
  • 6%