A 100 W light source produces uniformly in all directions. A photodetector with a circular active area whose diameter is 2 cm is placed 1 m away from the source, normal to the incident light. If the responsivity of the photodetector is 0.4 A/W, Calculate the photo-current generated in the detector, in units of mA?
A. 1
B. 4
C. 100
D. 400
Answer:A
A 100 W light source produces uniformly in all directions. A photodetector with a circular active area whose diameter is 2 cm is placed 1 m away from the source, normal to the incident light. If the responsivity of the photodetector is 0.4 A/W, Calculate the photo-current generated in the detector, in units of mA?
A. 1 B. 4 C. 100 D. 400