Choose proper substitutes for x and y to make the following statement correct.Tunnel diode, Avalanche photodiode are operated in x bias and y bias respectively.

Choose proper substitutes for x and y to make the following statement

1.	Choose proper substitutes for x and y to make the following statement correct.Tunnel diode, Avalanche photodiode are operated in x bias and y bias respectively.
A.	x : Reverse, y : Reverse
B.	x : Reverse, y : forward
C.	x : Forward, y : Reverse
D.	x : forward, y : forward
Answer» D. x : forward, y : forward