Arsenic is used to dope germanium to obtain

When Arsenic atoms are added to Germanium lattice, it becomes a/an

Addition of arsenic in small amount to pure germanium will result in the formation of n-type semiconductor germanium arsenide p-type semiconductor a superconducting alloy

a semiconductorX is made by doping a germanium crytsal with arsenic (z=33). A second semiconductor Y is made by doping germanium with indium (z=49) . The two are joined end to end and connected to a battery as shown in fiure. Which of the foll. statement is correct?

A semiconductor X is made by doping a germanium crystal with aresenic (Z = 33). A second semiconductor Y is made by doping germanium with indium (Z= 49). X and Y are used to form a junction as shown in figure and connected to a battery as shown. Which of following statement is correct?