Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   Semiconductors have the highest resistivity

   Statements

   1. Metals have low resistivity
   2. Insulators have very high resistivity
   3. Semiconductors have the highest resistivity

2. False statement

   Gallium arsenide is elemental

   Statements

   1. Gallium arsenide is elemental
   2. Silicon is elemental
   3. Gallium arsenide is a compound

3. False statement

   Intrinsic means doped

   Statements

   1. Intrinsic means pure
   2. Intrinsic means doped
   3. Carriers arise thermally

Explanation