To a germanium sample, traces of gallium are added as an impurity. The resultant sample would behave like

To a germanium sample, traces of galium are added as an impurity. The resultant sample would behave like ……..

to a germanium sample , trace sof gallium are added as an imourity. The resuyltant sample would behave like

In Ge sample , trace, of gallium are added as impurity . The resultant sample would behave like.

When boron is added as an impurity to silicon,the resulting material is